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Tomizo NIWA
The Central Research Laboratories, Meiji Seika Kaisha, Ltd.,
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Takashi TSURUOKA
The Central Research Laboratories, Meiji Seika Kaisha, Ltd.,
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Shigeharu INOUYE
The Central Research Laboratories, Meiji Seika Kaisha, Ltd.,
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Yoshihisa NAITO
The Central Research Laboratories, Meiji Seika Kaisha, Ltd., Department of Veterinary Medi-cine, Faculty of Agriculture, Iwate University
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Takemi KOEDA
The Central Research Laboratories, Meiji Seika Kaisha, Ltd.,
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Taro NIIDA
The Central Research Laboratories, Meiji Seika Kaisha, Ltd.,