Affiliation: University of Bremen
- Azathioprine and 6-mercaptopurine for maintenance of remission in ulcerative colitisAntje Timmer
Clinical Epidemiology, BIPS Institute for Epidemiology and Prevention Research, Bremen, Germany
Cochrane Database Syst Rev 9:CD000478. 2012..Maintenance of remission is a major issue in inflammatory bowel disease. In ulcerative colitis, the evidence for the effectiveness of azathioprine and 6-mercaptopurine for the maintenance of remission is still controversial...
- [Publication bias in trials other than RCTs]Antje Timmer
Bremer Institut für Präventionsforschung und Sozialmedizin, Universitat Bremen
Z Evid Fortbild Qual Gesundhwes 105:194-200. 2011..As yet, however, there is no empirical proof to support this since research activities on the subject of publication bias is almost exclusively focused on randomized controlled trials...
- Risk factors for extrahepatic biliary tract carcinoma in men: medical conditions and lifestyle: results from a European multicentre case-control studyWolfgang Ahrens
Bremen Institute for Prevention Research and Social Medicine, University Bremen, Germany
Eur J Gastroenterol Hepatol 19:623-30. 2007..To identify risk factors of carcinoma of the extrahepatic biliary tract in men...