Mahaseth, M., Mishra, G., Jha, S., Pandey, M., Yadav, G. and Sah, G. 2021. 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, 1 (Dec. 2021), 95–100. DOI:https://doi.org/10.3126/mjmms.v1i1.42958.