Jahan, N., A. Singh, D. Chopra, S. Jahan, and R. Khatoon. “Seroreactivity of HIV Among Patients Attending a Tertiary Care Hospital in North India: A Retrospective Analysis”. International Journal of Research in Medical Sciences, vol. 8, no. 1, Dec. 2019, pp. 177-82, doi:10.18203/2320-6012.ijrms20195903.