RT Journal Article SR Electronic T1 “You have to try” JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1765 OP 1766 DO 10.1503/cmaj.091662 VO 182 IS 16 A1 Graeme Rocker YR 2010 UL http://www.cmaj.ca/content/182/16/1765.abstract