1.
Ravi K, Joseph J, Thomas DM. Helicobacter pylori infection and vitamin B-12 deficiency- A cross sectional study. Asian J Med Sci [Internet]. 2017 Jun. 30 [cited 2024 Oct. 20];8(4):16-20. Available from: https://nepjol.info/index.php/AJMS/article/view/17280