Castaldo, Laura, et al. “Suicidal Behaviour and Non-Suicidal Self-Injury in Children and Adolescents Seen at an Italian Paediatric Emergency Department”. Annali dell’Istituto Superiore Di Sanità, vol. 56, no. 3, Sept. 2020, pp. 303-14, https://annali.iss.it/index.php/anna/article/view/991.