Author's Organization:Virology and Biochemistry Section, Zen-Noh Institute of Animal Health Virology and Biochemistry Section, Zen-Noh Institute of Animal Health Virology and Biochemistry Section, Zen-Noh Institute of Animal Health
Published: August 15, 1989Received: October 11, 1989Available on J-STAGE: February 13, 2008Accepted: March 21, 1989
Advance online publication: -
Revised: -