Urinary stone is a kind of product of unusual biomineralization. It is made up of inorganic crystal and organic matrix.

尿结石是异常生物矿化的产物，由无机晶体和有机基质组成。

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Urinary stone is a kind of product of unusual biomineralization. It is made up of inorganic crystal and organic matrix.

尿结石是异常生物矿化的产物，由无机晶体和有机基质组成。

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