RT Journal Article SR Electronic T1 Doctors mobilize against tax changes JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1121 OP E1122 DO 10.1503/cmaj.1095475 VO 189 IS 35 A1 Lauren Vogel YR 2017 UL http://www.cmaj.ca/content/189/35/E1121.abstract