Mahaseth, Mahesh, Gaurang Mishra, Sanjeet Jha, Manish Pandey, Gyanendra Yadav, and Gautam Sah. “Relation Between ABO Blood Group and Helicobacter Pylori Infection Among Patients With Peptic Ulcer Disease at Provincial Hospital: A Cross Sectional Study”. MedS Alliance Journal of Medicine and Medical Sciences 1, no. 1 (December 31, 2021): 95–100. Accessed August 14, 2022. https://www.nepjol.info/index.php/mjmms/article/view/42958.