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Titles of papers presented at the general session of the 63rd annual meeting of the Japanese Society of Gastroenterology, April 1–4, 1977, Tokyo, Japan. Gastroenterol Jpn 12, 407–422 (1977). https://doi.org/10.1007/BF02774539
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DOI: https://doi.org/10.1007/BF02774539