D. D. Subedi, J. N. Shah, M. Shrestha, B. Pokharel, P. Regmi, and R. N. Pandit, “Endoscopic findings of acid peptic disease at low and high altitude: Kathmandu versus Rasuwa districts of Nepal: Endoscopic findings of APD at low and high altitude”, JPAHS, vol. 9, no. 2, pp. 49–54, Dec. 2022.