PT - JOURNAL ARTICLE AU - Erica Weir TI - The changing ecology of avian flu AID - 10.1503/cmaj.051018 DP - 2005 Oct 11 TA - Canadian Medical Association Journal PG - 869--870 VI - 173 IP - 8 4099 - http://www.cmaj.ca/content/173/8/869.short 4100 - http://www.cmaj.ca/content/173/8/869.full SO - CMAJ2005 Oct 11; 173