Author's Organization:Morioka Livestock Hygiene Service Center Tono Livestock Hygiene Service Center Department of Veterinary Pathology, Faculty of Agriculture, Iwate Unviersity Department of Veterinary Pathology, Faculty of Agriculture, Iwate Unviersity Department of Veterinary Pathology, Faculty of Agriculture, Iwate Unviersity Morioka Livestock Hygiene Service Center
Published: June 15, 1990Received: April 04, 1989Available on J-STAGE: February 14, 2008Accepted: January 27, 1990
Advance online publication: -
Revised: -