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Mucosal patterns of <i>Helicobacter pylori<\/i>-related gastritis without atrophy in the gastric corpus using standard endoscopy. World J Gastroenterol 16: 496-500, 2010.","DOI":"10.3748\/wjg.v16.i4.496"},{"key":"19","doi-asserted-by":"crossref","unstructured":"19. Ayaki M, Aoki R, Matsunaga T, et al. Endoscopic and upper gastrointestinal barium X-ray radiography images of early-stage autoimmune gastritis: a report of two cases. Intern Med 60: 1691-1696, 2021.","DOI":"10.2169\/internalmedicine.6328-20"},{"key":"20","doi-asserted-by":"crossref","unstructured":"20. Kishino M, Yao K, Hashimoto H, et al. A case of early autoimmune gastritis with characteristic endoscopic findings. Clin J Gastroenterol 14: 718-724, 2021.","DOI":"10.1007\/s12328-021-01351-4"},{"key":"21","doi-asserted-by":"crossref","unstructured":"21. Kotera T, Ayaki M, Sumi N, et al. Characteristic endoscopic findings in early-stage autoimmune gastritis. 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