目的 探讨临床无意义残留结石(CIRF)患者在微创经皮肾镜碎石术(MPCNL)后的中期随访变化情况.方法 回顾性分析72例获得中期随访CIRF......

Based on the research of juvenile (2,3,4months)growth and survival of three populations of two different geographic area......