RT Journal Article SR Electronic T1 Réseau canadien de surveillance sentinelle en soins primaires JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP e401 OP e402 VO 57 IS 10 A1 Birtwhistle, Richard V. YR 2011 UL http://www.cfp.ca/content/57/10/e401.abstract AB