RT Journal Article SR Electronic T1 Young doctors warned that social media vitriol could harm their mental health JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1396 OP E1397 DO 10.1503/cmaj.109-5677 VO 190 IS 47 A1 Sarah Brown YR 2018 UL http://www.cmaj.ca/content/190/47/E1396.abstract