González, Ester, et al. “Coexistence Between Personality Disorders and Substance Use Disorder. Madrid Study about Prevalence of Dual Pathology”. Actas Españolas De Psiquiatría, vol. 47, no. 6, Nov. 2019, pp. 218-2, https://actaspsiquiatria.es/index.php/actas/article/view/684.