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List of works by Ola Olén

A Novel Method for Quantifying Intestinal Inflammatory Burden in Inflammatory Bowel Disease Using Register Data

scientific article published on 09 October 2020

A large nationwide population-based case-control study of the association between intussusception and later celiac disease

scientific article

A population-based case-control study on statin exposure and risk of acute diverticular disease.

scientific article published on 10 September 2015

Adherence to a Mediterranean diet is associated with a lower risk of later-onset Crohn's disease: results from two large prospective cohort studies

scientific article published on 03 January 2020

Allergy-related diseases and recurrent abdominal pain during childhood - a birth cohort study

scientific article published on 01 October 2014

Anti-TNF treatment in Crohn's disease and risk of bowel resection-a population based cohort study

scientific article published on 28 July 2017

Antibodies against deamidated gliadin peptides and tissue transglutaminase for diagnosis of pediatric celiac disease

scientific article published on 01 December 2012

Childhood onset inflammatory bowel disease and risk of cancer: a Swedish nationwide cohort study 1964-2014.

scientific article published on 20 September 2017

Coeliac disease and body mass index: a study of two Swedish general population-based registers

scientific article

Coeliac disease and risk of sepsis

scientific article published on 12 February 2008

Coeliac disease characteristics, compliance to a gluten free diet and risk of lymphoma by subtype

scientific article

Colectomy prior to diagnosis of primary sclerosing cholangitis is associated with improved prognosis in a nationwide cohort study of 2594 PSC-IBD patients

scientific article

Editorial: importance of definition of inflammatory bowel disease and an increased incidence in children

scientific article published in May 2017

Exposure-Based Cognitive Behavior Therapy for Children with Abdominal Pain: A Pilot Trial

scientific article

Identification of Menopausal and Reproductive Risk Factors for Microscopic Colitis—Results From the Nurses’ Health Study

article

Incidence and Treatment of Patients Diagnosed With Inflammatory Bowel Diseases at 60 Years or Older in Sweden

scientific article

Increased risk of immune thrombocytopenic purpura among inpatients with coeliac disease

scientific article

Inflammatory bowel disease and risk of small bowel cancer: a binational population-based cohort study from Denmark and Sweden

scientific article published on 30 May 2020

Internet-Delivered Cognitive Behavior Therapy for Adolescents With Irritable Bowel Syndrome: A Randomized Controlled Trial.

scientific article

Internet-Delivered Cognitive Behavioral Therapy for Children With Pain-Related Functional Gastrointestinal Disorders: Feasibility Study

scientific article published on 10 August 2017

Internet-delivered cognitive behavior therapy for children and adolescents: A systematic review and meta-analysis

scientific article

Irritable bowel syndrome and functional abdominal pain in five-year-old children are related to lifestyle.

scientific article

Letter: biologics treatment in Crohn's disease and risk of bowel resection-what about the patients who stop anti-TNF therapy? Authors' reply

scientific article published in January 2018

Letter: phenotype and natural history of elderly onset inflammatory bowel disease

scientific article published on 01 May 2018

Milk-Related Symptoms and Immunoglobulin E Reactivity in Swedish Children from Early Life to Adolescence.

scientific article published on 21 May 2018

Mortality in adult-onset and elderly-onset IBD: a nationwide register-based cohort study 1964-2014

scientific article published on 15 May 2019

NPSR1 polymorphisms influence recurrent abdominal pain in children: a population-based study

scientific article published on 5 August 2014

Obesity and Weight Gain Since Early Adulthood Are Associated With a Lower Risk of Microscopic Colitis

scientific article published on 06 December 2018

Prevalence and Progression of Recurrent Abdominal Pain, From Early Childhood to Adolescence

scientific article published on 25 April 2020

Prevalence of paediatric inflammatory bowel disease in Sweden: a nationwide population-based register study

scientific article

Probability, rate and timing of reconstructive surgery following colectomy for inflammatory bowel disease in Sweden: a population-based cohort study.

scientific article

Reply

Reply: Survival in Crohn's disease-associated small bowel adenocarcinoma

scientific article published on 01 September 2020

Restorative Surgery in Patients With Primary Sclerosing Cholangitis and Ulcerative Colitis Following a Colectomy

scientific article published on 01 February 2018

Sex-Based Differences in Incidence of Inflammatory Bowel Diseases—Pooled Analysis of Population-Based Studies From Western Countries

scientific article published on 27 June 2018

Smoking is Associated with an Increased Risk of Microscopic Colitis: Results From Two Large Prospective Cohort Studies of US Women

scientific article

Socioeconomic position and education in patients with coeliac disease

scientific article

Studying rare outcomes

scientific article published in February 2013

Surgical Treatment in Childhood-onset Inflammatory Bowel Disease-A Nationwide Register-based Study of 4695 Incident Patients in Sweden 2002-2014.

scientific article published on 27 September 2017

The genetic influence on diverticular disease--a twin study

scientific article

The role of avoidance behavior in the treatment of adolescents with irritable bowel syndrome: A mediation analysis.

scientific article published on 28 March 2018

Urinary tract infections in pregnant women with coeliac disease

scientific article published on February 2007

Use of antibiotics in infancy and childhood and risk of recurrent abdominal pain--a Swedish birth cohort study

scientific article published on 8 April 2014

Usefulness of Symptoms to Screen for Celiac Disease

scientific article published on 13 January 2014

Validating inflammatory bowel disease (IBD) in the Swedish National Patient Register and the Swedish Quality Register for IBD (SWIBREG).

scientific article published on 31 October 2016

Work Loss in Relation to Pharmacological and Surgical Treatment for Crohn's Disease: A Population-Based Cohort Study

scientific article published on 10 March 2020

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