RT Journal Article SR Electronic T1 Suicide "contagion": what we know and what we need to find out JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP cmaj.130678 DO 10.1503/cmaj.130678 A1 India Bohanna YR 2013 UL http://www.cmaj.ca/content/early/2013/05/21/cmaj.130678.abstract AB