PT - JOURNAL ARTICLE ED - , TI - Hepatitis A and B. Two-pronged protection in one vaccine. Laboratory Centre for Disease Control. DP - 2000 Jan 01 TA - Canadian Family Physician PG - 144--146 VI - 46 IP - 1 4099 - http://www.cfp.ca/content/46/1/144.short 4100 - http://www.cfp.ca/content/46/1/144.full SO - Can Fam Physician2000 Jan 01; 46