1. H. Hakusui, M. Nakaoka, J. Tanaka, T. Takegoshi, S. Funayama, T. Sugimoto, H. Yasuhara and K. Sakamoto, 102th Annual Meeting of the Pharmaceutical Society of Japan, Osaka, Japan, 1982
2. N. Takasugi, E. Mafune, S. Yokokawa, T. Tsuchiya and T. Sugimoto, 102th Annual Meeting of the Pharmaceutical Society of Japan, Osaka, Japan, 1982