PT - JOURNAL ARTICLE ED - , TI - Does Canada need to improve its immunization rates? DP - 2017 Jan 01 TA - Canadian Family Physician PG - e18--e18 VI - 63 IP - 1 4099 - http://www.cfp.ca/content/63/1/e18.short 4100 - http://www.cfp.ca/content/63/1/e18.full SO - Can Fam Physician2017 Jan 01; 63