Kirchner, Teresa, et al. “Self-Harm Behavior and Suicidal Ideation Among High School Students. Gender Differences and Relationship With Coping Strategies”. Actas Españolas De Psiquiatría, vol. 39, no. 4, July 2011, pp. 226-35, https://actaspsiquiatria.es/index.php/actas/article/view/582.