RT Journal Article SR Electronic T1 US doctors migrating north JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E407 OP E408 DO 10.1503/cmaj.109-4805 VO 186 IS 11 A1 Wendy Glauser YR 2014 UL http://www.cmaj.ca/content/186/11/E407.abstract AB