Davis Dave, Evans Mike, Jadad Alex, Perrier Laure, Rath Darlyne, Ryan David, Sibbald Gary, Straus Sharon, Rappolt Susan, Wowk Maria, Zwarenstein Merrick
Faculty of Medicine, University of Toronto, Toronto ON, Canada M5G 1VJ.
BMJ. 2003 Jul 5;327(7405):33-5. doi: 10.1136/bmj.327.7405.33.