RT Journal Article SR Electronic T1 Response JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 537 OP 539 VO 57 IS 5 A1 Dhalla, Irfan A. A1 Mamdani, Muhammad M. A1 Gomes, Tara A1 Juurlink, David N. YR 2011 UL http://www.cfp.ca/content/57/5/537.abstract AB