Sapkota, Basanta, Pratikchya Tulachan, Saroj P Ojha, Manisha Chapagai, and Saraswati Dhungana. 2019. “Changes in the Quality of Life of Outpatients in Methadone Maintenance Treatment Clinics in Kathmandu Valley”. Journal of Institute of Medicine Nepal 41 (3):30-34. https://nepjol.info/index.php/JIOM/article/view/37361.