Mangado, E. Ochoa, and A. Madoz Gurpide. “Changes in Characteristics of HIV Heroin Dependents Throughout a Ten Year Period (1989-1998)”. Actas Españolas de Psiquiatría 33, no. Suppl. 3 (May 1, 2005): 32–35. Accessed May 31, 2025. https://actaspsiquiatria.es/index.php/actas/article/view/1429.