RT Journal Article SR Electronic T1 “Chaos” protects health privacy JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E37 OP E38 DO 10.1503/cmaj.109-3115 VO 182 IS 1 A1 Ann Silversides YR 2010 UL http://www.cmaj.ca/content/182/1/E37.abstract