O. Yulizal, S. B. Tarigan, O. Isnainul, and Z. Muttaqin, “Gastric histopathological features after the administration of omeprazole, amoxicillin, and clarithromycin in gastritis Helicobacter pylori rat model”, J. Adv. Vet. Anim. Res, vol. 8, no. 1, pp. 158–163, Mar. 2021.