LUBIS, Ainun; SIREGAR, Gontar Alamsyah. The Differences of Pepsinogen I and H. Pylori Levels in Patients With Gastric Premalignant Lesion. Journal of Endocrinology, Tropical Medicine, and Infectious Disease (JETROMI), [S. l.], v. 4, n. 1, p. 42–49, 2022. DOI: 10.32734/jetromi.v4i1.8792. Disponível em: https://idjpcr.usu.ac.id/jetromi/article/view/8792. Acesso em: 26 sep. 2026.