RT Journal Article SR Electronic T1 The ethics of research involving Canada's Aboriginal populations JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 979 OP 979 DO 10.1503/cmaj.1050039 VO 172 IS 8 A1 Alan Cass YR 2005 UL http://www.cmaj.ca/content/172/8/979.1.abstract