González, Ester, Francisco Arias, Nestor Szerman, Pablo Vega, Beatriz Mesias, and Ignacio Basurte. 2019. “Coexistence Between Personality Disorders and Substance Use Disorder. Madrid Study about Prevalence of Dual Pathology”. Actas Españolas De Psiquiatría 47 (6):218-28. https://actaspsiquiatria.es/index.php/actas/article/view/684.