PT - JOURNAL ARTICLE AU - Jay S. Keystone, MD MSc(CTM) TI - Protecting Canadian travellers: Prevention is better than cure AID - 10.1503/cmaj.080027 DP - 2008 Feb 12 TA - Canadian Medical Association Journal PG - 373--373 VI - 178 IP - 4 4099 - http://www.cmaj.ca/content/178/4/373.short 4100 - http://www.cmaj.ca/content/178/4/373.full SO - CMAJ2008 Feb 12; 178