RT Journal Article SR Electronic T1 How much did you take? JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 347 OP 349 VO 61 IS 4 A1 Jesse Janssen A1 Sanjeet Singh-Saluja YR 2015 UL http://www.cfp.ca/content/61/4/347.abstract AB