RT Journal Article SR Electronic T1 Professionalism: social media outreach JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E587 OP E588 DO 10.1503/cmaj.109-4207 VO 184 IS 11 A1 Roger Collier YR 2012 UL http://www.cmaj.ca/content/184/11/E587.abstract