TY - JOUR T1 - Paradigm shift JF - Canadian Family Physician JO - Can Fam Physician SP - 491 LP - 493 VL - 61 IS - 6 AU - Sheryl Spithoff AU - Meldon Kahan Y1 - 2015/06/01 UR - http://www.cfp.ca/content/61/6/491.abstract N2 - ER -