Nim, R. K., Verma, V. K., Kumar, M., Kela, D., Singh, B., Singh, N., Singh, A. K. and Kumar, S. (2017) “HIV and hepatitis B co-infection - prevalence and clinical spectrum in a rural tertiary care centre of Northern India”, International Journal of Research in Medical Sciences, 5(7), pp. 3154–3160. doi: 10.18203/2320-6012.ijrms20173005.