Cultural Adaptation and Validation of the Persian Version of the Drug-Taking Confidence Questionnaire (DTCQ-IV): A Relapse Prevention Tool for Iran’s Opioid Crisis. - Hossein, Maryam; Parvizifard, Aliakbar; Parvizifard, Omid; Ahmadi, Seyed Mojtaba (Substance Use & Misuse, 2026)