Moher David, Hopewell Sally, Schulz Kenneth F, Montori Victor, Gøtzsche Peter C, Devereaux P J, Elbourne Diana, Egger Matthias, Altman Douglas G
Ottawa Methods Centre, Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Hospital, Ottawa, Ontario, Canada.
BMJ. 2010 Mar 23;340:c869. doi: 10.1136/bmj.c869.