R. Barani, G. Sarangan, T. Antony, S. Periyasamy, A. J. Kindo, and P. Srikanth, “Improved detection of Mycobacterium tuberculosis using two independent PCR targets in a tertiary care centre in South India”, J Infect Dev Ctries, vol. 6, no. 01, pp. 46–52, Dec. 2011.