Institution: | (1) Social and Advanced Research Laboratory, Nissan Motor Co., Ltd., 1, Natsushima-cho, Yokosuka 237, Japan;(2) Department of Pharmacology, Nippon Medical School, 1-1-5, Sendagi, Bunkyo-ku, Tokyo 113, Japan;(3) Present address: Department of Materials Science and Engineering, Yamagata University, 4-3-16, Jonan, Yonezawa 992, Japan |