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Dental Health Division, Health Policy Bureau, Ministry of Health, Labour and Welfare | 論文著者
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HIDAKA Katsumi
Dental Health Division, Health Policy Bureau, Ministry of Health, Labour and Welfare
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HIRATA SoIchiro
Dental Health Division, Health Policy Bureau, Ministry of Health, Labour and Welfare
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Sato Yutaka
Dental Health Division, Health Policy Bureau, Ministry of Health, Labour and Welfare