Author's Organization:Department of Bacteriology and Pathology, Kanagawa Prefectural Public Health Laboratories Veterinary Pathology II, Nihon University School of Veterinary Medicine
Published: April 15, 1992Received: June 21, 1991Available on J-STAGE: February 15, 2008Accepted: November 26, 1991
Advance online publication: -
Revised: -