RT Journal Article SR Electronic T1 Prognostic value of the ECG JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1499 OP 1499 DO 10.1503/cmaj.112-2065 VO 184 IS 13 A1 Masis Perk YR 2012 UL http://www.cmaj.ca/content/184/13/1499.2.abstract