Aisosaa Nosa-Ihaza, Eloghosa, and Allan Francis Ssembuusi. “Community-Based Harm Reduction Programs for Opioid Use Disorder: A Narrative Systematic Review of Effectiveness, Implementation Barriers, and Policy Implications”. ASIDE Internal Medicine 3, no. 2 (July 11, 2026): 41–55. Accessed July 20, 2026. https://asidejournals.com/index.php/internal-medicine/article/view/729.