TY - JOUR T1 - La crème de la crème JF - Canadian Family Physician JO - Can Fam Physician SP - 145 LP - 148 VL - 54 IS - 1 AU - Cal Gutkin Y1 - 2008/01/01 UR - http://www.cfp.ca/content/54/1/145.abstract N2 - ER -