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Kozo FUJISAKI
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Tsugihiko KAMIO
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Yoshio NAKAMURA
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Kameo SHIMURA
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Yukio TAKAHASHI
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Shin'ichiro KAWAZU
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Shinya SHIMIZU
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Tetsuro MINAMI
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Shingo ITO
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Author's Organization:First Research Division, National Institute of Animal Health First Research Division, National Institute of Animal Health First Research Division, National Institute of Animal Health First Research Division, National Institute of Animal Health Hokubu Livestock Hygiene Service Center First Research Division, National Institute of Animal Health First Research Division, National Institute of Animal Health First Research Division, National Institute of Animal Health First Research Division, National Institute of Animal Health