RT Journal Article SR Electronic T1 Nonsuicidal self-injury JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 505 OP 505 DO 10.1503/cmaj.120969 VO 185 IS 6 A1 Stephen P. Lewis A1 Nancy L. Heath YR 2013 UL http://www.cmaj.ca/content/185/6/505.abstract AB