The Danish National Patient Registry: a review of content, data quality, and research potentialMorten Schmidt, Henrik Toft Sørensen|Clinical Epidemiology|2015Cited by 4.7k
Nordic Health Registry-Based Research: A Review of Health Care Systems and Key RegistriesKristina Laugesen, Henrik Toft Sørensen|Clinical Epidemiology|2021Cited by 517
Thromboembolic risk among Danish children and adults with inflammatory bowel diseases: a population-based nationwide studyMichael D. Kappelman, Henrik Toft Sørensen, Thomas Ullman et al.|Gut|2011Cited by 301
Survival after bone metastasis by primary cancer type: a Danish population-based cohort studyElisabeth Svensson, Henrik Toft Sørensen|BMJ Open|2017Cited by 177
COX‐2‐selective inhibitors and the risk of upper gastrointestinal bleeding in high‐risk patients with previous gastrointestinal diseases: a population‐based case–control studyBente Mertz Nørgård, Henrik Toft Sørensen|Alimentary Pharmacology & Therapeutics|2004Cited by 56