| Affiliation: | (1) Laboratory of Animal Breeding and Genetics, Faculty of Applied Biological Science, Hiroshima University, Kagamiyama, Higashi-Hiroshima 739, Japan, JP;(2) Department of Tropical Medicine, Jikei University School of Medicine, Minatoku, Tokyo 105, Japan, JP;(3) Department of Laboratory Animal Science, College of Agriculture, Osaka Prefecture University, Sakai, Osaka 593, Japan, JP;(4) Medicinal Biology Research Laboratories, Fujisawa Pharmaceutical Co. Ltd., Yodogawa-ku, Osaka 532, Japan, JP;(5) Department of Veterinary Clinic, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Fuchu, Tokyo 183, Japan, JP |
