Grau-López, Lara, Constanza Daigre, Laia Grau-López, Laia Rodriguez-Cintas, Ángel Egido, Miquel Casas, and Carlos Roncero. 2016. “Administrative Prevalence of Insomnia and Associated Clinical Features in Patients With Addiction During Active Substance Use”. Actas Españolas De Psiquiatría 44 (2):64-71. https://actaspsiquiatria.es/index.php/actas/article/view/760.