RT Journal Article SR Electronic T1 Use of nonvitamin dietary supplements with prescription medications JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 1142 OP 1144 VO 54 IS 8 A1 Pesreira, Jennifer A1 Arkinson, Janine A1 Li, Kathy YR 2008 UL http://www.cfp.ca/content/54/8/1142.abstract AB