RT Journal Article SR Electronic T1 Metformin is a unique drug JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 589 OP 589 VO 55 IS 6 A1 Gauranga C. Dhar YR 2009 UL http://www.cfp.ca/content/55/6/589.1.abstract AB