RT Journal Article SR Electronic T1 Physician advocacy essential for Canada's First Nations JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 728 OP 728 DO 10.1503/cmaj.081290 VO 179 IS 7 A1 Peter Warren, MB B Chir YR 2008 UL http://www.cmaj.ca/content/179/7/728.abstract