Authors: P J Devereaux; Peter T L Choi; Christina Lacchetti; Bruce Weaver; Holger J Schünemann; Ted Haines; John N Lavis; Brydon J B Grant; David R S Haslam; Mohit Bhandari; Terrence Sullivan; Deborah J Cook; Stephen D Walter; Maureen Meade; Humaira Khan; Neera Bhatnagar; Gordon H Guyatt Journal: CMAJ Date: 2002-05-28 Impact factor: 8.262