In developing countries ammonium urate stones occur endemically, especially in children.

不发达国家中，尿酸铵结石是地方性流行，特别是在儿童。

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In developing countries ammonium urate stones occur endemically, especially in children.

不发达国家中，尿酸铵结石是地方性流行，特别是在儿童。

youdao