Institution: | a Masanori Otsuka is Professor in the Department of Pharmacology, Faculty of Medicine, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo, 113, Japan, a recipient of the Japan Academy Prize, 1983 b Mitsuhiko Yanagisawa is a Lecturer in the Department of Pharmacology, Faculty of Medicine, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo, 113, Japan, a recipient of the Japan Academy Prize, 1983 |