RADHAKRISHNA, M., M. K. REDDY, and D. R. KRISHNA. “HIV LONG TERMNON DISEASE PROGRESSORS AND HIGHLY EXPOSED PERSISTENTLY SERONEGATIVE POPULATIONS OF WARANGAL, INDIA”. UTTAR PRADESH JOURNAL OF ZOOLOGY, vol. 27, no. 1, Jan. 2018, pp. 69-73, https://www.mbimph.com/index.php/UPJOZ/article/view/489.