International prevalence of adolescent non-suicidal self-injury and deliberate self-harm
Child and Adolescent Psychiatry and Mental Health (2012) - Comment
pubmed: 22462815  doi: 10.1186/1753-2000-6-10  issn: 1753-2000 

Jennifer J Muehlenkamp, Laurence Claes, Lindsey Havertape, Paul L Plener