John P A Ioannidis1, Nikolaos A Patsopoulos, Hannah R Rothstein. 1. Clinical Trials and Evidence Based Medicine Unit, Department of Hygiene and Epidemiology, University of Ioannina School of Medicine and Biomedical Research Institute, Foundation for Research and Technology-Hellas, Ioannina 45110, Greece. jioannid@cc.uoi.gr
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