Shrestha, Umid, Arnab Ghosh, Vijay Alurkar, Suresh Kohli, and Subash Sapkota. 2013. “Prevalence of Helicobacter Pylori Infection, Its Correlation With Gastroduodenal Diseases and the Incidence of Gastric Cancer in Nepal”. Journal of Advances in Internal Medicine 2 (2), 52-60. https://doi.org/10.3126/jaim.v2i2.8777.