S. Kiburi, “Sociodemographic, clinical profile and the association with retention in treatment among patients receiving methadone treatment in Nairobi, Kenya”, AJADA, vol. 6, no. 1, pp. 51–66, Dec. 2021, Accessed: Jan. 18, 2025. [Online]. Available: https://ajada.nacada.go.ke/index.php/ajada/article/view/38