: 兒童蛀牙多過美日韓 塗氟擬延長至6歲

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兒童蛀牙多過美日韓　塗氟擬延長至6歲 Mar 12th 2012, 08:31 兒童蛀牙多過美日韓　塗氟擬延長至6歲 詳全文：兒童蛀牙多過美日韓　塗氟擬延長至6歲

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