S. van Gennep

Thiopurine Treatment in Ulcerative Colitis: A Critical Review of the Evidence for Current Clinical Practice.

G. D'Haens, N. D. de Boer, M. Löwenberg, 2017, Inflammatory bowel diseases.

Systematic review with meta‐analysis: risk factors for thiopurine‐induced leukopenia in IBD

M. Heymans, G. D'Haens, N. D. de Boer, 2019, Alimentary pharmacology & therapeutics.

Comparison of health-related quality of life and disability in ulcerative colitis patients following restorative proctocolectomy with ileal pouch-anal anastomosis versus anti-tumor necrosis factor therapy

C. Buskens, W. Bemelman, S. Vermeire, 2017, European journal of gastroenterology & hepatology.

Real-world clinical and endoscopic outcomes after one year tofacitinib treatment in ulcerative colitis

G. D'Haens, M. Duijvestein, K. Gecse, 2021, European journal of gastroenterology & hepatology.

High Disease Burden Drives Indirect Costs in Employed Inflammatory Bowel Disease Patients: The WORK-IBD Study.

G. D'Haens, A. D. de Boer, N. D. de Boer, 2020, Inflammatory bowel diseases.

Work productivity loss is determined by fatigue and reduced quality of life in employed inflammatory bowel disease patients: a prospective multicentre cohort study

C. Ponsioen, G. D'Haens, A. D. de Boer, 2021, European journal of gastroenterology & hepatology.

Impaired Quality of Working Life in Inflammatory Bowel Disease Patients

C. Ponsioen, G. D'Haens, A. D. de Boer, 2020, Digestive Diseases and Sciences.

The Simple Cholestatic Complaints Score is a valid and quick patient‐reported outcome measure in primary sclerosing cholangitis

M. Dijkgraaf, C. Ponsioen, U. Beuers, 2020, Liver international : official journal of the International Association for the Study of the Liver.

Intestinal ultrasound is accurate to determine endoscopic response and remission in patients with moderate to severe ulcerative colitis: a longitudinal prospective cohort study.

G. D'Haens, A. Mookhoek, K. Gecse, 2022, Gastroenterology.

Mercaptopurine for the Treatment of Ulcerative Colitis: A Randomized Placebo-Controlled Trial

E. P. van der Zanden, M. Dijkgraaf, G. D'Haens, 2023, Journal of Crohn's & colitis.