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List of works by Gerhard Zielhuis

(Cost)-effectiveness of self-treatment of exacerbations on the severity of exacerbations in patients with COPD: the COPE II study.

scientific article published on 6 September 2009

(Cost-)effectiveness of self-treatment of exacerbations in patients with COPD: 2 years follow-up of a RCT.

scientific article published on 9 December 2015

A Stepwise Procedure to Define a Data Collection Framework for a Clinical Biobank

scientific article published on 13 February 2018

A community-based exercise programme in COPD self-management: two years follow-up of the COPE-II study.

scientific article published on 7 August 2014

A comprehensive model for the aetiology of otitis media with effusion

scientific article published on 01 December 2001

A differentiated policy of vaccination against hepatitis B in an institute for the mentally retarded

scientific article published in July 1985

A generalized concept of power helped to choose optimal endpoints in clinical trials

scientific article published on 28 September 2006

A more realistic approach to the cumulative pregnancy rate after in-vitro fertilization

scientific article published on 01 March 1996

A multi-faceted strategy to improve the use of national fertility guidelines; a cluster-randomized controlled trial ⬇️

scientific article published on December 6, 2010

A qualitative evaluation of a comprehensive self-management programme for COPD patients: effectiveness from the patients' perspective

scientific article published in November 2004

Adenoidectomy and/or tonsillectomy in childhood is not associated with atopic disease later in life

scientific article

An epidemiological approach to the etiology of middle ear disease in The Netherlands

scientific article published on January 1992

An investigation of clinical studies suggests those with multiple objectives should have at least 90% power for each endpoint

scientific article

Analysis and presentation of data on the natural course of otitis media with effusion in children

scientific article

Antihypertensive treatment during pregnancy and functional development at primary school age in a historical cohort study.

scientific article published on 19 May 2010

Antimüllerian hormone predicts ovarian responsiveness, but not embryo quality or pregnancy, after in vitro fertilization or intracyoplasmic sperm injection.

scientific article published in November 2006

Aspirin and pregnancy

scientific article published on 01 September 1990

Assessment of exposure to solvents among hairdressers: reliability of a classification scheme and questionnaire ⬇️

scientific article published on January 1, 1998

Assessment of occupational exposure in a population based case-control study: comparing postal questionnaires with personal interviews

scientific article

Association of CD14 Promoter Polymorphism with Otitis Media and Pneumococcal Vaccine Responses.

scientific article published in December 2006

Association of CD14 promoter polymorphism with otitis media and pneumococcal vaccine responses

scientific article

Bayes’ theorem: A negative example of a RCT on grommets in children with glue ear

scientific article published on 01 January 2005

Behavioural effect of self-treatment guidelines in a self-management program for adults with asthma

scientific article published on 01 May 2001

Benefit from the inclusion of self-treatment guidelines to a self-management programme for adults with asthma

scientific article published on 01 March 2001

Biobanking for epidemiology ⬇️

scientific article published on February 10, 2012

Biobanks and the return of results to donors

scientific article published on January 2014

Birth characteristics and recurrent otitis media with effusion in young children

scientific article published on 22 January 2005

Blood pressure and cardiovascular morbidity and mortality in a Dutch population: the Nijmegen cohort study.

scientific article

Breast cancer screening in women over age 50. A critical appraisal.

scientific article published on May 1990

Cancer in adolescents and young adults (15-29 years): a population-based study in the Netherlands 1989-2009.

scientific article published on 30 August 2012

Cervical Cancer Mortality in the Netherlands ⬇️

scientific article published on June 1, 1988

Cervical cancer survival in Nijmegen region, The Netherlands, 1970–1985 ⬇️

scientific article published on 01 May 1988

Cervical screening revisited

scientific article published on 01 May 1990

Cigarette smoking and the risk of male factor subfertility: minor association between cotinine in seminal plasma and semen morphology

scientific article published on 01 November 2000

Cigarette smoking, alcohol consumption, and caffeine intake and fecundability

scientific article published on 01 March 1994

Clinical predictors of bacterial involvement in exacerbations of chronic obstructive pulmonary disease.

scientific article published on 10 September 2004

Community based physiotherapeutic exercise in COPD self-management: a randomised controlled trial.

scientific article published on 14 October 2010

Comparison of balanced and random allocation in clinical trials: a simulation study

scientific article published on 01 January 2000

Comparison of parameters to study seasonality in reproductive outcome

scientific article published on 01 June 1995

Comparison of the CAPAS and Ewing tests for screening of hearing in infants

scientific article published in January 1999

Conditions at Conception and Risk of Menstrual Disorders ⬇️

scientific article published on September 1, 1997

Conditions at conception in women with recurrent miscarriage ⬇️

scientific article published on January 1, 1998

Cost analysis of singleton versus twin pregnancies after in vitro fertilization

scientific article published on 01 May 2004

Cost-Effectiveness of a Community-Based Exercise Programme in COPD Self-Management

scientific article published on December 2015

Day-care and otitis media in young children: a critical overview

scientific article published on 01 January 1999

Decreasing incidence of adenotonsillar problems in Dutch general practice: real or artefact? ⬇️

scientific article published on December 1, 2009

Definitions of exacerbations: does it really matter in clinical trials on COPD?

scientific article published on September 2009

Does a trial on the effects of ventilation tubes influence clinical practice?

scientific article published in August 2003

Does the interaction between maternal folate intake and the methylenetetrahydrofolate reductase polymorphisms affect the risk of cleft lip with or without cleft palate?

scientific article published in April 2003

Early detection of developmental dysplasia of the hip in The Netherlands: the validity of a standardized assessment protocol in infants ⬇️

scientific article published on February 1, 1998

Economic Evaluation of Ventilation Tubes in Otitis Media With Effusion ⬇️

scientific article published on December 1, 2001

Economic evaluation of a comprehensive self-management programme in patients with moderate to severe chronic obstructive pulmonary disease

scientific article published in January 2004

Effect of combined pneumococcal conjugate and polysaccharide vaccination on recurrent otitis media with effusion

scientific article published on 01 March 2006

Effect of discontinuation of inhaled corticosteroids in patients with chronic obstructive pulmonary disease: the COPE study

scientific article published on 5 September 2002

Effectiveness of ultrasound screening for developmental dysplasia of the hip.

scientific article published in January 2005

Effects of a comprehensive self-management programme in patients with chronic obstructive pulmonary disease ⬇️

scientific article published on November 1, 2003

Effects of folic acid and zinc sulfate on male factor subfertility: a double-blind, randomized, placebo-controlled trial

scientific article published on March 2002

Environmental risk factors for otitis media with effusion in preschool children

scientific article published on 01 March 1989

Estimating morbidity rates from electronic medical records in general practice. Evaluation of a grouping system

scientific article

Eustachian Tube Function in Children after Insertion of Ventilation Tubes ⬇️

scientific article published on December 1, 2001

Eustachian tube function before recurrence of otitis media with effusion

scientific article

Evaluation of community-wide interventions: the ecologic case-referent study design

scientific article published on 01 January 2001

Excellent adherence and no contamination by physiotherapists involved in a randomized controlled trial on reactivation of COPD patients: a qualitative process evaluation study

scientific article

Excess seasonality of births among patients with schizophrenia and seasonal ovopathy

scientific article published on 01 January 1994

Exogenous modification of reproductive disorders; more questions than facts

scientific article published on June 22, 1991

Exposure to fungicides in fruit growing: re-entry time as a predictor for dermal exposure

scientific article published on 01 November 1999

External validation of EPICON: a grouping system for estimating morbidity rates using electronic medical records

scientific article published on 28 August 2008

External validation of prognostic models for ongoing pregnancy after in-vitro fertilization

scientific article published on 01 December 1998

Fatigue and chronic fatigue syndrome-like complaints in the general population

scientific article published on 18 August 2009

Fecundity of daughters born after short, intermediate, or long birth intervals. An analysis of family reconstitutions from The Netherlands, late 19th-early 20th century.

scientific article published on March 2000

Further concepts on regulators of the sex ratio in human offspring. Non-optimal maturation of oocytes and the sex ratio

scientific article published on January 1996

Generalisability of clinical trials in otitis media with effusion

scientific article published on July 2001

Generalizability of trial results based on randomized versus nonrandomized allocation of OME infants to ventilation tubes or watchful waiting

scientific article published in August 2001

Grommets in otitis media with effusion: an individual patient data meta-analysis

scientific article

Health education on self-management and seeking health care in older adults: a randomised trial

scientific article published in October 2004

Hearing deficits at school age; the predictive value of otitis media in infants

scientific article published in August 1998

Hearing deficits in young adults who had a history of otitis media in childhood: use of personal stereos had no effect on hearing

scientific article

Hearing loss in young adults who had ventilation tube insertion in childhood

scientific article published in June 2004

Hospital work and fecundability

scientific article published on 01 January 1999

Hypospadias: risk factor patterns and different phenotypes

scientific article

Immune status and eustachian tube function in recurrence of otitis media with effusion

scientific article published on 01 September 2005

Immunological status in the aetiology of recurrent otitis media with effusion: serum immunoglobulin levels, functional mannose-binding lectin and Fc receptor polymorphisms for IgG

scientific article published on 01 January 2005

Influence of occupational physical activity on pregnancy duration and birthweight.

scientific article published in June 1995

Inhalation technique of 166 adult asthmatics prior to and following a self-management program

scientific article published on 01 August 1999

Interval between pregnancies and risk of spontaneous abortions

scientific article published on 01 November 2000

Is fecundability associated with month of birth? An analysis of 19th and early 20th century family reconstitution data from The Netherlands ⬇️

scientific article published on November 1, 1997

Is otitis media with effusion harmful for language development in young children

scientific article published in October 1988

Is there seasonality in human ovulation?

scientific article published on 01 August 1996

Left-right differences in Eustachian tube function in children with ventilation tubes

scientific article published in August 2003

Long-term effects of otitis media with effusion on language, reading and spelling.

scientific article published in June 1993

Long-term effects of otitis media with effusion: otomicroscopic findings.

scientific article

Long-term effects of ventilation tubes for persistent otitis media with effusion in children ⬇️

scientific article published on October 1, 1997

Low maternal dietary intakes of iron, magnesium, and niacin are associated with spina bifida in the offspring

scientific article

Male factor subfertility: possible causes and the impact of nutritional factors

scientific article

Management of stable COPD.

scientific article published on March 2004

Marginal maternal vitamin B12 status increases the risk of offspring with spina bifida

scientific article

Maternal occupational exposure during pregnancy and the risk of spina bifida

scientific article

Meconium-stained amniotic fluid is not a risk factor for otitis media

scientific article published on 08 April 2003

Medical wastage in shipyard welders: a forty-year historical cohort study

scientific article published on 01 January 1992

Medication during low-risk pregnancy

scientific article published in October 1991

Menstrual disorders among dry-cleaning workers

scientific article published on 01 June 1989

Menstrual disorders and month of birth

scientific article published in November 1994

Menstrual disorders due to chemical exposure among hairdressers

scientific article published on 01 May 1993

Menstruation pattern and month of birth

scientific article published on December 19, 1992

Mental retardation and parental occupation: a study on the applicability of job exposure matrices.

scientific article

Mental retardation associated with parental smoking and alcohol consumption before, during, and after pregnancy ⬇️

scientific article published on January 1, 1992

Mental retardation in children in relation to their mothers' employment during pregnancy

scientific article

Merging evidence-based and mechanism-based medicine

scientific article published on 01 August 2008

Minimization of sample size when comparing two small probabilities in a non-inferiority safety trial

scientific article published in June 2004

Mother's age and daughter's fecundity. An epidemiological analysis of late 19th to early 20th century family reconstitutions

scientific article published in April 2002

Multiple inhalers confuse asthma patients

scientific article published on 01 November 1999

Myo-inositol, glucose and zinc status as risk factors for non-syndromic cleft lip with or without cleft palate in offspring: a case-control study.

scientific article

Natural course of tympanic membrane pathology related to otitis media and ventilation tubes between ages 8 and 18 years

scientific article

Neurodevelopment in offspring‐of hairdressers ⬇️

scientific article published on June 1, 1997

New evidence of the influence of exogenous and endogenous factors on sperm count in man.

scientific article

No effect of a nasal decongestant on eustachian tube function in children with ventilation tubes

scientific article published in June 2002

Objective and perspective determine the choice of composite endpoint

scientific article published on February 2008

Occupational ethylene oxide exposure and reproduction

scientific article published on January 1990

Occupational exposure and defects of the central nervous system in offspring: review

scientific article

Occupational physical activity and the occurrence of spontaneous abortion

scientific article published on 01 October 1993

Otitis media

scientific article published in The Lancet

Otitis media meta-analysis

scientific article published in August 2004

Otitis media with effusion and habitual mouth breathing in Dutch preschool children

scientific article published on 01 May 1989

Otitis media with effusion in infants: is screening and treatment with ventilation tubes necessary? ⬇️

scientific article published on October 16, 2001

Otitis media.

scientific article

Paternal occupational exposure around conception and spina bifida in offspring ⬇️

scientific article published on 01 September 1997

Patients to learn from: on the need for systematic integration of research and care in academic health care

scientific article published on 14 September 2017

Periconceptional folate intake by supplement and food reduces the risk of nonsyndromic cleft lip with or without cleft palate

scientific article published in October 2004

Periconceptional health and lifestyle factors of both parents affect the risk of live-born children with orofacial clefts

scientific article published on August 2006

Persistence of upper respiratory tract infections in a cohort followed from childhood to adulthood

scientific article published on 03 March 2006

Pesticide exposure: the hormonal function of the female reproductive system disrupted?

scientific article

Pneumococcal vaccines for preventing otitis media.

scientific article

Policy relevance of Bayesian statistics overestimated?

scientific article published in January 2004

Population screening for cervical cancer in the region of Nijmegen, The Netherlands 1976-1985.

scientific article published on July 1988

Possible role of the plasminogen activation system in human subfertility

scientific article published on 21 November 2006

Prediction of asthma in young adults using childhood characteristics: Development of a prediction rule

scientific article published on 24 August 2006

Predictors of Chronic Suppurative Otitis Media in Children

scientific article published on 01 October 2006

Predisposing Factors for Otitis media with Effusion in Young Children ⬇️

scientific article published on January 1, 1988

Preovulatory overripeness of the oocyte as a cause of ovarian dysfunction in the human female

scientific article published on November 1995

Prevalence of tympanogram asymmetries and fluctuations in otitis media with effusion: implications for binaural hearing.

scientific article published in May 1993

Prevention of suicide by youth health care

scientific article published on May 1999

Prevention of unhealthy behaviour by youth health care in The Netherlands

scientific article published on September 2000

Prognosis and vascular co-morbidity in dementia a historical cohort study in general practice

scientific article published on 01 February 2008

Prognostic factors for otitis media with effusion in infants

scientific article published on 01 December 1998

Prognostic factors for persistent otitis media with effusion in infants

scientific article

Prognostic models for the probability of achieving an ongoing pregnancy after in-vitro fertilization and the importance of testing their predictive value

scientific article published on 01 October 1996

Psychopharmaceuticals and perinatal deaths

scientific article published on 01 August 1992

Publication bias was not a good reason to discourage trials with low power.

scientific article published on 14 July 2008

Randomised controlled trial of the effect of ventilation tubes (grommets) on quality of life at age 1-2 years

scientific article

Rationale and design of the PRegnancy and Infant DEvelopment (PRIDE) Study

scientific article (publication date: 2013)

Recent advances in otitis media. 1. Epidemiology, natural history, and risk factors

scientific article

Recurrent childhood upper respiratory tract infections do not reduce the risk of adult atopic disease

scientific article published in February 2006

Reliability of manometric eustachian tube function tests in children.

scientific article published in March 2001

Reproducibility of sonotubometry as Eustachian tube ventilatory function test in healthy children

scientific article published on 28 November 2006

Reproductive Disorders among Hairdressers ⬇️

scientific article published on 01 July 1997

Reproductive disorders among male and female greenhouse workers

scientific article published on 11 September 2007

Reproductive disorders due to chemical exposure among hairdressers

scientific article published on October 1995

Reproductive hazards related to perchloroethylene. A review

scientific article published on January 1989

Response

Results of sonotubometry in testing eustachian tube ventilatory function in children with cleft palate

scientific article published on 01 May 2008

Results of the Ewing screening test and the risk of otitis media with effusion in children of preschool age

scientific article published in May 1989

Review of randomized controlled trials on pneumococcal vaccination for prevention of otitis media

scientific article

Risk factors for undescended testis

scientific article published on 27 November 2010

Roaming through the methodology. XX. Randomization as a means of avoiding confounding through indication

scientific article published in August 2000

Screening for otitis media with effusion in preschool children

scientific article published on 01 February 1989

Season of birth and reproductive performance: an analysis of family reconstitutions of 800 women born in The Netherlands at the end of the 19th century

scientific article

Seasonal variation in human fecundability

scientific article published on 01 December 1998

Seasonal variation in the prevalence of Down syndrome at birth: a review ⬇️

scientific article published on August 1, 1997

Seasonal variation in the prevalence of persistent otitis media with effusion in one-year-old infants

scientific article

Seasonal variation in the time to pregnancy: a secondary analysis of three Danish databases

scientific article published in October 1996

Seasonal variation in the time to pregnancy: avoiding bias by using the date of onset

scientific article published on 01 March 1996

Seasonality bias in poor reproductive outcome

scientific article published on 01 September 1996

Seasonality in the results of in-vitro fertilization

scientific article

Self management for patients with chronic obstructive pulmonary disease

scientific article

Self-management education for chronic obstructive pulmonary disease

scientific article

Self-management education for patients with chronic obstructive pulmonary disease: a systematic review

scientific article

Semen quality and frequency of smoking and alcohol consumption--an explorative study

scientific article published on 01 May 1995

Sequential balancing: a simple method for treatment allocation in clinical trials

scientific article published on 14 October 2005

Smoking, genetic polymorphisms in biotransformation enzymes, and nonsyndromic oral clefting: a gene-environment interaction

scientific article

Social epidemiology? No way

scientific article published on 01 February 2001

Society for Social Medicine and the International Epidemiological Association European Group. Abstracts of oral presentations

article

Sonotubometry in children with otitis media with effusion before and after insertion of ventilation tubes

scientific article published on 01 May 2009

Sonotubometry: a useful tool to measure intra-individual changes in eustachian tube ventilatory function

scientific article published on 01 August 2007

Sonotubometry: eustachian tube ventilatory function test: a state-of-the-art review

scientific article

Spina bifida and parental occupation

scientific article published in March 1996

Striking trends in the incidence of health problems in The Netherlands (2002-05). Findings from a new strategy for surveillance in general practice

scientific article published on 12 January 2009

Studying seasonality by using sine and cosine functions in regression analysis

scientific article published in April 1999

Teratogenic mechanisms of medical drugs

scientific article

The Dutch Parelsnoer Institute Cerebrovascular Disease Initiative: a retrospective study of the effects of integrating clinical care and research on costs and quality of care in patients with ischaemic stroke

scientific article published on 27 August 2019

The FAIR guiding principles for data stewardship: fair enough?

scientific article

The association of birth interval, maternal age and season of birth with the fertility of daughters: a retrospective cohort study based on family reconstitutions from nineteenth and early twentieth century Quebec

scientific article

The choice of a balanced allocation method for a clinical trial in otitis media with effusion

scientific article published on March 1990

The effect of a minimal contact smoking cessation programme in out-patients with chronic obstructive pulmonary disease: a pre-post-test study

scientific article published in March 2004

The effect of a multifaceted empowerment strategy on decision making about the number of embryos transferred in in vitro fertilisation: randomised controlled trial

scientific article

The effect of a pneumococcal conjugate vaccine on the risk of otitis media with effusion at 7 and 24 months of age.

scientific article published in November 2003

The effect of anxiety and depression on the outcome of in-vitro fertilization

scientific article

The effect of otitis media in childhood on the development of middle ear admittance on reaching adulthood

scientific article published on 01 September 2005

The effect of short-term ventilation tubes versus watchful waiting on hearing in young children with persistent otitis media with effusion: a randomized trial

scientific article published in June 2001

The effect of treatment with ventilating tubes on language development in preschool children with otitis media with effusion

scientific article published on 01 April 1991

The effect of ventilation tubes on language development in infants with otitis media with effusion: A randomized trial

scientific article published in September 2000

The effectiveness of cervical screening: a population-based case-control study.

scientific article published in January 1988

The impact of the woman's age on the success of standard and donor in vitro fertilization

scientific article published in April 1997

The influence of chronic persistent otitis media with effusion on language development of 2- to 4-year-olds

scientific article published on September 1988

The influence of occupational physical activity on the menstrual cycle and fecundability

scientific article published on 01 January 1994

The natural course of otitis media with effusion in preschool children

scientific article published in January 1990

The natural history of developmental dysplasia of the hip: sonographic findings in infants of 1-3 months of age

scientific article published on 01 September 2005

The occurrence of otitis media with effusion in Dutch pre-school children

scientific article published on 01 April 1990

The otological profile of a cohort of Dutch 7.5-8-year-olds

scientific article published in February 1993

The prevalence of mental retardation: a critical review of recent literature.

scientific article published on February 1997

The prevalence of otitis media with effusion: a critical review of the literature

scientific article published on June 1990

The role of self-treatment guidelines in self-management education for adult asthmatics ⬇️

scientific article published on 01 April 1998

The secular trends in male:female ratio at birth in postwar industrialized countries

scientific article

The spontaneous course of otitis media with effusion in young children

scientific article published on September 1991

Therapeutic improvement of Eustachian tube function: a review

scientific article

Time to pregnancy among female greenhouse workers.

scientific article published in October 2006

Time-to-pregnancy among male greenhouse workers

Treatment of persistent otitis media

Two cycles with single embryo transfer versus one cycle with double embryo transfer: a randomized controlled trial

scientific article published on 23 December 2004

Tympanometer behaviour after storage at extreme temperatures

scientific article published on 01 January 1988

USING A BALANCING PROCEDURE IN MULTICENTER CLINICAL TRIALSSimulation of Patient Allocation Based on a Trial of Ventilation Tubes for Otitis Media With Effusion in Infants

scientific article published on 01 January 2000

Ultrasonographic screening for developmental dysplasia of the hip in infants. Reproducibility of assessments made by radiographers.

scientific article published in July 2003

Validation of a questionnaire on medical drug use during pregnancy.

scientific article published in November 1991

Validation of sonotubometry in healthy adults

scientific article published on 01 October 2006

Validity and reliability of a questionnaire on fecundability

scientific article published on 01 December 1992

Variation in subfertility care measured by guideline-based performance indicators

scientific article

Ventilation tubes in infants increase the risk of otorrhoea and antibiotic usage.

scientific article

Weight of in vitro fertilization and intracytoplasmic sperm injection singletons in early childhood ⬇️

scientific article published on January 26, 2011

Why are NICU infants at risk for chronic otitis media with effusion?

scientific article published on 01 February 2001

[Posttraumatic dystrophy: the questionable value of early treatment]

scientific article published on 01 July 2002

[Roaming through methodology. XXIV. Problems in generalizing from randomized intervention studies with selected patient populations]

scientific article published on 01 September 2000

[Short pregnancy interval and reproductive disorders]

scientific article published on 01 August 2002

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