RT Journal Article SR Electronic T1 Stand and declare: Opportunity and challenge of clinical trial registration JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 1189 OP 1190 VO 52 IS 10 A1 Diane Kelsall YR 2006 UL http://www.cfp.ca/content/52/10/1189.abstract AB