1. Bakhriansyah M, Souverein PC, de Boer A, Klungel OH (2017) Gastrointestinal toxicity among patients taking selective COX-2 inhibitors or conventional NSAIDs, alone or combined with proton pump inhibitors: a case-control study. Pharmacoepidemiol Drug Saf 26(10):1141–1148
2. Bergman U (2006) The history of the drug utilization research group in Europe. Pharmacoepidemiol Drug Saf 15(2):95–98
3. Bernal JL, Cummins S, Gasparrini A (2017) Interrupted time series regression for the evaluation of public health interventions: a tutorial. Int J Epidemiol. 46(1):348–355
4. Blind E, Dunder K, de Graeff PA, Abadie E (2011) Rosiglitazone: a European regulatory perspective. Diabetologia 54(2):213–218
5. Boston Collaborative Drug Surveillance Programme (1973) Oral contraceptives and venous thromboembolic disease, surgically confirmed gallbladder disease, and breast tumours. Lancet 1(7817):1399–1404