Proceedings of the 21st Autumn Meeting of the Japanese Society of Gastroenterology from October 15th to 17th, 1979—Maebashi, Japan
01 April 1980
Pages: 184 - 187
Proceedings of the 21st Autumn Meeting of the Japanese Society of Gastroenterology from October 15th to 17th, 1979—Maebashi, Japan
01 April 1980
Pages: 188 - 193