Author's Organization：Department of Veterinary Anatomy, College of Agriculture, University of Osaka Prefecture Department of Veterinary Anatomy, College of Agriculture, University of Osaka Prefecture Department of Veterinary Anatomy, College of Agriculture, University of Osaka Prefecture
Published: April 15, 1988Received: July 06, 1987Available on J-STAGE: February 13, 2008Accepted: December 22, 1987
Advance online publication: -
Revised: -
