Sapkota B, Tulachan P, Ojha S, Chapagai M, Dhungana S. Factors Influencing Client Retention in Methadone Maintenance Treatment Clinics in the Kathmandu Valley. J Psychiatr Assoc Nepal [Internet]. 2019 Dec. 31 [cited 2024 Dec. 4];8(2):9-14. Available from: https://nepjol.info./index.php/JPAN/article/view/28018