Affiliation: | AIDS Research Center, National Institute of Infectious Diseases, Tokyo 162-8640,1. Biomedical Research Laboratories, Kureha Corporation, Tokyo 169-8503,2. Department of Immunology, Graduate School and Faculty of Medicine, University of the Ryukyus, Nakagami, Okinawa 903-0215, Japan,3. Monogram Biosciences, South San Francisco, California 940804. |