RT Journal Article SR Electronic T1 Coronary artery bypass surgery for elderly patients: Is our practice based on evidence or faith? JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1005 OP 1006 VO 162 IS 7 A1 Paul MacDonald A1 David Johnstone A1 Kenneth Rockwood YR 2000 UL http://www.cmaj.ca/content/162/7/1005.abstract