RT Journal Article SR Electronic T1 Physicians and regionalization in Canada: past, present and future JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1147 OP E1149 DO 10.1503/cmaj.170164 VO 189 IS 36 A1 Marchildon, Gregory P. YR 2017 UL http://www.cmaj.ca/content/189/36/E1147.abstract AB