About YOKOYAMA ATSUSHI
About 北海道江別保健所
About ITO KAEKO
About 北海道江別保健所
About HIROKAWA KAZURO
About 北海道江別保健所
About OGASAWARA TOORU
About 北海道江別保健所
About TAKAYOSHI HIROYUKI
About 北海道網走保健所
About 北海道獣医師会雑誌
About cattle
About animal bacterial infection
About Animal infectious diseases caused by bacteria
About と畜検査
About 症例
About 牛
About Haemophilus
About 感染症