1. Biasco G, Paganelli GM, Azzaroni D (1987) Early gastric cancer in Italy. Clinical and pathological observations on 80 cases. Dig Dis Sci 32: 113–120
2. Elster K, Seifert E (1979) Magenfrühkarzinom Witzstrock, Baden-Baden
3. Fernando SSE, Nakamura K (1986) Japanese technique of early gastric cancer diagnosis. Am J Gastroenterol 81: 757–763
4. Fujita S, Ashihara T (1970) Growth and proliferation. In: Sugano H, Kobayashi J (eds): Tumor pathology. Asakura, Tokyo, pp 39–60
5. Hashimoto Y, Takada S, Kohli Y, Kawai K, Masuda M (1976) Application of blue dye scattering method for recognizing early gastric cancer. 2nd Asian Pacific Congress of Endoscopy, p 202