RT Journal Article SR Electronic T1 Queuing for cardiac surgery JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1893 OP 1893-a DO 10.1503/cmaj.1040290 VO 170 IS 13 A1 John D. Neary YR 2004 UL http://www.cmaj.ca/content/170/13/1893.2.abstract