PREVALENCE AND SEVERITY OF DEPRESSION AMONG OPIOID USERS AT A PUBLIC SECTOR TERTIARY CARE HOSPITAL, KARACHI. The Research of Medical Science Review, [S. l.], v. 3, n. 11, p. 613–618, 2025. Disponível em: https://medicalsciencereview.com/index.php/Journal/article/view/2633.. Acesso em: 11 mar. 2026.