Author's Organization:Department of Veterinary Microbiology, Faculty of Agriculture, University of Tokyo Department of Veterinary Microbiology, Faculty of Agriculture, University of Tokyo Department of Veterinary Microbiology, Faculty of Agriculture, University of Tokyo
Published: December 25, 1982Received: June 04, 1982Available on J-STAGE: February 13, 2008Accepted: September 20, 1982
Advance online publication: -
Revised: -