Dhaka, G., Sherwal, B., Saxena, S., Rai, Y., & Chandra, J. (1969). Current trends in opportunistic infections in children living with HIV/AIDS in a tertiary care hospital in Northern India. Indian Journal of Sexually Transmitted Diseases and AIDS, 38(2), 142-146. https://doi.org/10.4103/2589-0557.216992 (Original work published 1969)