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Switches of SOX17 and SOX2 expression in the development of squamous metaplasia and squamous intraepithelial lesions of the uterine cervix. Cancer Med Online ahead of print."},{"key":"6","doi-asserted-by":"crossref","unstructured":"6. Singer HA. Leukoplakia of the stomach. Arch Pathol 9: 676-682, 1930.","DOI":"10.1097\/00007611-193007000-00026"},{"key":"7","unstructured":"7. Sailer S. Diffuse metaplastic gastritis in a patient with prolonged cahexia and macrocytic anemia. Arch Pathol 35: 739-743, 1943."},{"key":"8","doi-asserted-by":"crossref","unstructured":"8. Watson GW, Flint ER, Stewart MJ. Hyperplastic tuberculosis of the stomah causing hour-glass deformity. With complete squamous metaplasia of the upper loculus. Br J Surg 24: 333-340, 1936.","DOI":"10.1002\/bjs.1800249413"},{"key":"9","doi-asserted-by":"crossref","unstructured":"9. Eaton H, Tennekoon GE. Squamous carcinoma of the stomach following corrosive acid burns. 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Takata K, Okada H, Ohmiya N, et al. Primary gastrointestinal follicular lymphoma involving the duodenal second portion is a distinct entity: a multicenter, retrospective analysis in Japan. Cancer Sci 102: 1532-1536, 2011."},{"key":"23","unstructured":"23. Iwamuro M, Kondo E, Takata K, Yoshino T, Okada H. Diagnosis of follicular lymphoma of the gastrointestinal tract: A better initial diagnostic workup. World J Gastroenterol 22: 1674-1683, 2016."},{"key":"24","unstructured":"24. Yamamoto S, Nakase H, Yamashita K, et al. Gastrointestinal follicular lymphoma: review of the literature. J Gastroenterol 45: 370-388, 2010."},{"key":"25","unstructured":"25. Iwamuro M, Okada H, Takata K, et al. Diagnostic accuracy of endoscopic biopsies for the diagnosis of gastrointestinal follicular lymphoma: a clinicopathologic study of 48 patients. Ann Diagn Pathol 18: 99-103, 2014."},{"key":"26","doi-asserted-by":"crossref","unstructured":"26. Iwamuro M, Imagawa A, Kobayashi N, et al. 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