Cifuentes Sánchez, A. and Ceballos Zuleta, M.T. (1983) “Tuberculosis: primary resistance of BK to chemotherapies”, Medicina UPB, 2(2), pp. 37–41. Available at: https://revistas.upb.edu.co/index.php/medicina/article/view/6446 (Accessed: 3 August 2026).