Tiwari RK, Haider J, Shukla AD, Gupta PP. A study on pattern of initial and acquired drug resistance for isoniazid and rifampicin in A.F.B. positive sputum smears of pulmonary tuberculosis patients at a Medical College in North Eastern Uttar Pradesh, India. Int J Basic Clin Pharmacol [Internet]. 2017 Dec. 23 [cited 2025 Oct. 23];7(1):191-6. Available from: https://www.ijbcp.com/index.php/ijbcp/article/view/2214