The difficulty is getting the snake bit victims to the serums in time.

困难的是要让被毒蛇咬到人能及时注射抗毒血清。

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Methods ELISA was adopted to determine the NSE contents in the serums from 49 child cases of tuberculous meningitis, and 15 healthy children (control group).

方法采用酶联免疫法测定49例结核性脑膜炎患儿和15例对照组血清中nse含量。

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Bring those facial products, serums, moisturizers and anti aging products down your neck, because the neck is one of the easiest ways to see someone's real age.

把面部产品，血清，保湿和抗衰老产品用到你的脖子上，因为脖子是最容易看到人真实年龄的一个地方。

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Sodium pentothal, the trade name for thiopental, is the best-known of a class of barbiturates popularly supposed to act as truth serums.

ECONOMIST: Drugs cannot make you tell the truth

Scientists found however, that feeder cells and serums derived from other animal cells introduced disease-causing agents that compromised the quality of the cell lines.

FORBES: Aberrations Pose A Challenge for Reprogramming Stem Cells