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Shigeo YAMAOKA
Department of Environmental Medicine, Osaka City Institute of Public Health and Environmental Sciences
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Michio OKA
Department of Environmental Medicine, Osaka City Institute of Public Health and Environmental Sciences
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Masanori FUKUDA
Department of Environmental Medicine, Osaka City Institute of Public Health and Environmental Sciences
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Takezi MIYAZAKI
Department of Environmental Medicine, Osaka City Institute of Public Health and Environmental Sciences