Tenggara, Riki, and Visakha Revana Irawan. “The Association Between Metaplasia and Gastric Malignancy With Helicobater Pylori Infection”. The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy, vol. 18, no. 2, July 2020, pp. 94-97, doi:10.24871/182201794-97.