RT Journal Article SR Electronic T1 Heart failure guidelines fail JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 912 OP 912 DO 10.1503/cmaj.1150056 VO 187 IS 12 A1 Justin A. Ezekowitz A1 Eileen O’Meara A1 Jonathan G. Howlett YR 2015 UL http://www.cmaj.ca/content/187/12/912.2.abstract