RT Journal Article SR Electronic T1 Revenge of the killer microbe JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 895 OP 896 DO 10.1503/cmaj.071270 VO 177 IS 8 A1 Sandra R. Arnold, MD MSc YR 2007 UL http://www.cmaj.ca/content/177/8/895.abstract