scientific article published on 13 August 2010
author: Isabelle Boutron, Trish Groves, Carl Heneghan, Douglas G. Altman, Hilda Bastian, Valerie M Pomeroy, Susan Michie, Paul Glasziou, Iain Chalmers, Sasha Shepperd, Simon Lewin, Rafael Perera, Gro Jamtvedt
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