RT Journal Article SR Electronic T1 Plague: a continuing threat JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1555 OP 1555 DO 10.1503/cmaj.050297 VO 172 IS 12 A1 Erica Weir YR 2005 UL http://www.cmaj.ca/content/172/12/1555.abstract