Author's Organization:Department of Veterinary Science, National Institute of Health Department of Veterinary Science, National Institute of Health Department of Veterinary Science, National Institute of Health Division of Biological Chemistry, National Institute of Hygienic Sciences
Published: June 15, 1991Received: October 18, 1990Available on J-STAGE: February 15, 2008Accepted: February 06, 1991
Advance online publication: -
Revised: -