Author's Organization:Morioka Livestock Hygiene Service Center, Prefecture of Iwate Morioka Livestock Hygiene Service Center, Prefecture of Iwate Morioka Livestock Hygiene Service Center, Prefecture of Iwate Department of Veterinary Pathology, School of Veterinary Medecine, Faculty of Agriculture, Iwate University
Published: February 15, 1988Received: December 15, 1986Available on J-STAGE: February 13, 2008Accepted: September 12, 1987
Advance online publication: -
Revised: -