PT - JOURNAL ARTICLE AU - Cathel Kerr TI - US, UK and Canada begin preparations for possible smallpox bioterror attacks DP - 2003 Jan 21 TA - Canadian Medical Association Journal PG - 210--210-a VI - 168 IP - 2 4099 - http://www.cmaj.ca/content/168/2/210.2.short 4100 - http://www.cmaj.ca/content/168/2/210.2.full SO - CMAJ2003 Jan 21; 168