Parashar, R., Kaushik, D. and Malik, P.K. 2018. The study of clinical and endoscopic spectrum of upper gastrointestinal manifestations in HIV patients. International Journal of Research in Medical Sciences. 6, 5 (Apr. 2018), 1588–1593. DOI:https://doi.org/10.18203/2320-6012.ijrms20181429.