1、Objective To explore the effect of umbilical vein catheterization on premature infants.
目的探討臍靜脈插管術(shù)在早產(chǎn)兒中的應(yīng)用效果。

2、orrelation study on S-100 protein of neonate umbilical vein and Apgar score
新生兒臍帶血S-100蛋白與窒息Apgar評(píng)分相關(guān)性研究

3、Methods Human umbilical vein endothelial cells were cultured in vitro.
方法體外培養(yǎng)人臍靜脈內(nèi)皮細(xì)胞，通過(guò)傳代形成細(xì)胞的衰老模型。