Author's Organization:First Department of Surgery, Teikyo University School of Medicine Chiba Prefecture Toubu Livestock Hygiene Service Center Asami Animal Hospital First Department of Surgery, Teikyo University School of Medicine
Published: April 15, 1990Received: May 28, 1989Available on J-STAGE: February 14, 2008Accepted: December 03, 1989
Advance online publication: -
Revised: -