-
K. HIRATO
Laboratory of Veterinary Hygiene and Microbiology, Hokkaido Imperial University
-
M. SOEKAWA
Laboratory of Veterinary Hygiene and Microbiology, Hokkaido Imperial University
-
S. MIURA
Laboratory of Veterinary Hygiene and Microbiology, Hokkaido Imperial University
-
R. NAKANISHI
Laboratory of Bacteriology, Medical College, Keio-Gijuku University