Authors: Benjamin Djulbegovic; Ambuj Kumar; Paul P Glasziou; Rafael Perera; Tea Reljic; Louise Dent; James Raftery; Marit Johansen; Gian Luca Di Tanna; Branko Miladinovic; Heloisa P Soares; Gunn E Vist; Iain Chalmers Journal: Cochrane Database Syst Rev Date: 2012-10-17