Author's Organization：Laboratory of Biology, Tokyo University of Agriculture and Technology:Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology Laboratory of Biology, Tokyo University of Agriculture and Technology:Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology
Published: February 25, 1996Received: March 08, 1995Available on J-STAGE: February 07, 2008Accepted: September 20, 1995
Advance online publication: -
Revised: -
