Affiliation: | 1. Shiseido Product Research Laboratories, 1050 Nippa-cho, Kohoku-ku, Yokohama-shi, Kanagawa 223, Japan;2. Shiseido Toxicological and Analytical Research Center, 1050 Nippa-cho, Kohoku-ku, Yokohama-shi, Kanagawa 223, Japan;3. Shiseido Co., Ltd., 7–5–5, Ginza, Chuo-ku, Tokyo 104, Japan |