TY - JOUR T1 - “It's time to act” JF - Canadian Medical Association Journal JO - CMAJ SP - 21 LP - 21-a DO - 10.1503/cmaj.060682 VL - 175 IS - 1 AU - Barbara Sibbald Y1 - 2006/07/04 UR - http://www.cmaj.ca/content/175/1/21.2.abstract ER -