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.
氟病是宁夏广泛分布的一种方病，与宁夏特殊的原
球化
环境有密切关系。
)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.
氟病是宁夏广泛分布的一种方病，与宁夏特殊的原球化环境有密切关系。
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