TY - JOUR T1 - Canada will check donor blood for West Nile virus if test available JF - Canadian Medical Association Journal JO - CMAJ SP - 207 LP - 207-a VL - 168 IS - 2 AU - Barbara Sibbald Y1 - 2003/01/21 UR - http://www.cmaj.ca/content/168/2/207.2.abstract ER -