The endemic fluorosis is a kind of endemia widely distributed in Ningxia, and this is strongly related to the special natural geochemical environment of Ningxia.
摘要地氟病是
广泛分布的一种地方病，
特殊的原生地球化
环境有密切关系。
(位于中国西北部)The endemic fluorosis is a kind of endemia widely distributed in Ningxia, and this is strongly related to the special natural geochemical environment of Ningxia.
摘要地氟病是广泛分布的一种地方病，特殊的原生地球化环境有密切关系。
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