Institution: | Department of Microbiology, Tohoku College of Pharmacy, Sendai, Miyagi, Japan; Quality Control Laboratory, Banyu Pharmaceutical Co. Ltd., Oosato, Saitama, Japan; Yamagata Prefectural Public Health Laboratories, Yamagata, Japan; Department of Veterinary Medicine, Faculty of Agriculture, Iwate University, Morioka, Iwate, Japan |