M. N. A. Din, M. Akhter, and P. K. Mazumdar, “Proportion of Sputum Smear Non-Converters Among Adult Patients With Bacteriologically Confirmed Pulmonary Tuberculosis in Chattogram District of Bangladesh”, J Chittagong Med Coll Teachers Ass, vol. 35, no. 1, pp. 142–146, Aug. 2025.