Joshi, Rajesh Dhoj, Sachin Khadka, Deepak Man Joshi, Arun Kadel, Ganesh Dangal, and Yashad Dongol. 2018. “Prevalence of Helicobacter Pylori Infection in Patients With Peptic Ulcer Disease at Kathmandu Model Hospital”. Journal of Chitwan Medical College 8 (4):3-7. https://nepjol.info./index.php/JCMC/article/view/23761.