Jeffrey A Lieberman1, T Scott Stroup. 1. Department of Psychiatry, University of North Carolina School of Medicine, Neurosciences Hospital, Chapel Hill, NC 27599-7160, USA. jlieberman@unc.edu
Authors: Merrick Zwarenstein; Shaun Treweek; Joel J Gagnier; Douglas G Altman; Sean Tunis; Brian Haynes; Andrew D Oxman; David Moher Journal: BMJ Date: 2008-11-11