RT Journal Article SR Electronic T1 World Medical Association updates ethical code for physicians JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1372 OP E1372 DO 10.1503/cmaj.109-5513 VO 189 IS 44 A1 Roger Collier YR 2017 UL http://www.cmaj.ca/content/189/44/E1372.abstract