Author's Organization:National Veterinary Assay Laboratory National Veterinary Assay Laboratory National Veterinary Assay Laboratory Zen-noh Institute of Animal Health National Veterinary Assay Laboratory National Veterinary Assay Laboratory National Veterinary Assay Laboratory
Published: February 15, 1989Received: February 25, 1988Available on J-STAGE: February 13, 2008Accepted: September 05, 1988
Advance online publication: -
Revised: -