TY - JOUR T1 - How much did you take? JF - Canadian Family Physician JO - Can Fam Physician SP - 347 LP - 349 VL - 61 IS - 4 AU - Jesse Janssen AU - Sanjeet Singh-Saluja Y1 - 2015/04/01 UR - http://www.cfp.ca/content/61/4/347.abstract N2 - ER -