RT Journal Article SR Electronic T1 Advancing social media in medical education JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP cmaj.141417 DO 10.1503/cmaj.141417 A1 Wendy M. Davis A1 Kendall Ho A1 Jason Last YR 2015 UL http://www.cmaj.ca/content/early/2015/04/13/cmaj.141417.abstract AB