PT - JOURNAL ARTICLE AU - Richard V. Birtwhistle TI - Canadian Primary Care Sentinel Surveillance Network DP - 2011 Oct 01 TA - Canadian Family Physician PG - 1219--1220 VI - 57 IP - 10 4099 - http://www.cfp.ca/content/57/10/1219.short 4100 - http://www.cfp.ca/content/57/10/1219.full SO - Can Fam Physician2011 Oct 01; 57