Author's Organization:The Imamichi Institute for Animal Reproduction The Imamichi Institute for Animal Reproduction The Imamichi Institute for Animal Reproduction The Imamichi Institute for Animal Reproduction
Published: August 15, 1992Received: January 28, 1992Available on J-STAGE: February 15, 2008Accepted: April 06, 1992
Advance online publication: -
Revised: -