In the new study, they randomly assigned patients to get AIDS medicines when their CD4 count hit 200, the standard procedure, or to get the antiretrovirals earlier, when their CD4 had only dropped to 350.

VOA: standard.2010.07.21

do the procedure on them and grow you a new heart for a transplant.

将其进行培养成能够适合你自己的移植心脏。

关于干细胞的研究 - SpeakingMax英语口语达人

do the procedure on them and grow you a new heart for a transplant.

将其进行培养成能够适合你自己的移植心脏。

关于干细胞的研究 - SpeakingMax英语口语达人