Kuraganti Chakravarthi. “Observational Study on Drug Resistance TB Among Patients With New Sputum Smear Positive Pulmonary Tuberculosis- in Tertiary Care Centre”. International Journal of Health and Clinical Research 4, no. 15 (August 30, 2021): 269–273. Accessed December 14, 2025. https://ijhcr.com/index.php/ijhcr/article/view/2497.