RT Journal Article SR Electronic T1 Tracking infectious diseases in cyberspace JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E373 OP E374 DO 10.1503/cmaj.109-3829 VO 183 IS 7 A1 Adrianna Banaszek YR 2011 UL http://www.cmaj.ca/content/183/7/E373.abstract