RT Journal Article SR Electronic T1 Ontario physicians get liability fee break JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1009 OP E1009 DO 10.1503/cmaj.109-3991 VO 183 IS 13 A1 Lauren Vogel YR 2011 UL http://www.cmaj.ca/content/183/13/E1009.abstract