Jha, P., R. Gurung, N. Gyawali, H. Nepal, D. Baral, and S. Bhattacharya. “Tuberculin Reactivity in Bacille Calmette-Guerin Vaccinated Individuals With Sputum Positive Pulmonary Tuberculosis”. Journal of College of Medical Sciences-Nepal, vol. 7, no. 1, Mar. 2012, pp. 28-35, doi:10.3126/jcmsn.v7i1.5970.