Yang K, Shi L, Chen J. Analysis of the relationship between oipA, babA2, babB genotypes and helicobacter pylori-related gastric precancerous lesions. J Pak Med Assoc [Internet]. 2023 Jan. 15 [cited 2026 May 18];73(2):249-52. Available from: https://jpma.org.pk/index.php/public_html/article/view/5137