Author's Organization:Department of Animal Health II, School of Veterinary Medicine, Azabu University Department of Animal Health II, School of Veterinary Medicine, Azabu University Department of Animal Health II, School of Veterinary Medicine, Azabu University
Published: December 15, 1989Received: December 08, 1988Available on J-STAGE: February 13, 2008Accepted: September 05, 1989
Advance online publication: -
Revised: -