Joshi, Y.R., Das, G.S., Maskey, N.L., Giri, J.N. and Himal, P.B. 2003. A Study of Contacts In 500 tubercular families. Journal of Nepal Medical Association. 3, 2 (Jan. 2003), 111–119. DOI:https://doi.org/10.31729/jnma.954.