Have they had samples used? Surprisingly, many cord blood storage companies have never had a sample taken from their stock. Track record is important.

他们是否用过样血？令人感到惊讶的是许多脐血存储公司从未从他们的血库中取过样本。公司的业务记录的很重要的。

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Objective To investigate the influencing effect of sample collection and storage measures on phenylalanine and tyrosine measurements in whole-blood samples.

目的探讨全血中苯丙氨酸和酪氨酸测定时标本采集与保存对测定结果的影响。

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