Author's Organization:Department of Parasitology, Faculty of Veterinary Medicine, Hokkaido University Division of Laboratory Animals, Hokkaido Institute of Public Health Department of Parasitology, Faculty of Veterinary Medicine, Hokkaido University Department of Parasitology, Faculty of Veterinary Medicine, Hokkaido University Department of Parasitology, Faculty of Veterinary Medicine, Hokkaido University
Published: February 15, 1988Received: September 09, 1987Available on J-STAGE: February 13, 2008Accepted: October 30, 1987
Advance online publication: -
Revised: -