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List of works by Per-Henrik Zahl

Accidents and undetermined deaths: re-evaluation of nationwide samples from the Scandinavian countries

scientific article

Adjusting the incidence increase when screening for statistical lead time will always give estimates of overdiagnosis close to zero

scientific article

An investigation of the apparent breast cancer epidemic in France: screening and incidence trends in birth cohorts

scientific article

Are suicide deaths under-reported? Nationwide re-evaluations of 1800 deaths in Scandinavia

scientific article

Bias in Observational Studies of the Association between Menopausal Hormone Therapy and Breast Cancer

scientific article

Bias when calculating breast cancer mortality after screening mammography in British Colombia

scientific article published in June 2007

Biases in estimates of overdetection due to mammography screening

scientific article published in March 2008

Breast Cancer Screening in Denmark

scientific article (publication date: 10 January 2017)

Breast Cancer Screening in Denmark

scientific article

Breast cancer incidence and menopausal hormone therapy in Norway from 2004 to 2009: a register-based cohort study

scientific article

Breast cancer mortality in organised mammography screening in Denmark: comparative study

scientific article

Breast screening: why estimates differ by a factor of 20-25.

scientific article published in January 2010

Chain of care for patients who have attempted suicide: a follow-up study from Bærum, Norway ⬇️

scientific article published on February 4, 2011

Changes in institutional psychiatric care and suicidal behaviour: a follow-up study of inpatient suicide attempters in Baerum, Norway

scientific article published on 27 February 2009

Changes in mental health services and suicide mortality in Norway: an ecological study

scientific article

Constant relative survival rates in Sweden and Norway when adjusting for screening-related overdiagnosis

scientific article published in May 2007

Declining breast cancer incidence and decreased HRT use

scientific article

Differing Procedures for Recording Mortality Statistics in Scandinavia

scientific article published on 23 September 2016

Effect of mammography screening on surgical treatment for breast cancer in Norway: comparative analysis of cancer registry data

scientific article

Flawed inferences about screening mammography's benefit based on observational data

scientific article published on 15 December 2008

Hormone therapy use and breast cancer incidence by histological subtypes in Sweden and Norway

scientific article

Incidence of breast cancer in Norway and Sweden during introduction of nationwide screening: prospective cohort study

scientific article published on 10 March 2004

Influence of mammography screening on use of mastectomies in Denmark

scientific article published in June 2014

Is birth history the key to highly educated women's higher breast cancer mortality? A follow-up study of 500,000 women aged 35-54.

scientific article published in December 2005

Lead-time models produce far too low estimates of overdiagnosis with mammographic screening

scientific article

Lead-time models should not be used to estimate overdiagnosis in cancer screening

scientific article

Model of outcomes of screening mammography: spontaneous regression of breast cancer may not be uncommon

scientific article published on August 2005

More on screening mammography

scientific article

No significant effect of PSA screening

scientific article published in October 2013

Norwegian mammography screening - numerous self-contradictions in the evaluation

scientific article

Overdiagnosis in mammography screening

scientific article published in September 2004

Overdiagnosis in organised mammography screening in Denmark. A comparative study

scientific article

Overdiagnosis of breast cancer after 14 years of mammography screening ⬇️

scientific article published on February 21, 2012

Overdiagnosis of breast cancer in Norway: what have the authors adjusted for?

scientific article published on 29 May 2013

Overview of guidelines on breast screening: Why recommendations differ and what to do about it.

scientific article

Ramifications of screening for breast cancer: definition of overdiagnosis is confusing in follow-up of Malmö trial

scientific article published on March 2006

Reduction in mortality from breast cancer: decrease with screening was marked in younger age group

scientific article published in April 2005

Scientific criteria methods for estimating and evaluation of screening

scientific article

Social inequalities in mortality: changes in the relative importance of income, education and household size over a 27-year period

scientific article published on 10 August 2005

The Two-County Breast Screening Trial Cannot Provide a Reliable Estimate of the Effect of Breast Cancer Screening

article

The information about mammography screening is not neutral

scientific article

The natural history of invasive breast cancers detected by screening mammography

scientific article

The relationship between sales of SSRI, TCA and suicide rates in the Nordic countries ⬇️

scientific article published on August 6, 2010

WITHDRAWN: Results of the Two-County trial of mammography screening are not compatible with contemporaneous official Swedish breast cancer statistics

retracted scientific article

What is publication?

scientific article published on November 2006

Why mammography screening has not lived up to expectations from the randomised trials

scientific article

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