RT Journal Article SR Electronic T1 Yukon physician shortage taxes family doctors JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 756 OP 756 DO 10.1503/cmaj.060216 VO 174 IS 6 A1 Laura Eggertson YR 2006 UL http://www.cmaj.ca/content/174/6/756.1.abstract