Mazta SR, Singh H, Lal P. Correlates of multi-drug resistant tuberculosis: a case control study from a hilly district of North India. Int J Community Med Public Health [Internet]. 2017 Jun. 23 [cited 2025 Oct. 26];4(7):2613-9. Available from: https://www.ijcmph.com/index.php/ijcmph/article/view/545