RT Journal Article SR Electronic T1 Residents call for duty hour reform JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E411 OP E412 DO 10.1503/cmaj.109-4187 VO 184 IS 8 A1 Collier, Roger YR 2012 UL http://www.cmaj.ca/content/184/8/E411.abstract