All the blood sampling and testing work are free of charge.

所有的取样和检测工作都是免费的.

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Objective To explore a convenient, rapid and effective method of neonatal radial artery blood sampling.

目的探索一种方便 、 快捷、有效的新生儿桡动脉穿刺采血方法.

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Objective To explore a method of raising success rate of neonatal blood sampling via femoral vein.

目的探讨提高新生儿股静脉采血一次成功率的方法.

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Objective To evaluate the efficacy and safety of color - ultrasound guided percutaneous umbilical blood sampling.

目的探讨彩超引导下脐静脉穿刺术的安全性和成功率.

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