Objective To study the relationship between volume flow and patency, dialysis effect of hemodialysis access.
目的研究血透用动静脉内瘘流量与其通畅性及透析效果之间的关系。
Objective To evaluate the relationship between gestational age and fetal renal volume and blood-flow volume measured by three-dimensional ultrasound (3d US).
目的探讨三维超声测量胎儿肾脏体积及肾脏血流容积与孕龄相关关系。
Objective To evaluate the relationship between gestational age and fetal renal volume and blood-flow volume measured by three-dimensional ultrasound (3d US).
目的探讨三维超声测量胎儿肾脏体积及肾脏血流容积与孕龄相关关系。
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