TY - JOUR T1 - How physicians can “flex their advocacy muscles” JF - Canadian Medical Association Journal JO - CMAJ SP - E1152 LP - E1152 DO - 10.1503/cmaj.1095479 VL - 189 IS - 36 AU - Roger Collier Y1 - 2017/09/11 UR - http://www.cmaj.ca/content/189/36/E1152.abstract ER -