对于医学研究人员也是同样情形。他们招募志愿者参加临床试验，主要是将新药物首次使用于人体的第一阶段试验。
The same is true of medical researchers recruiting volunteers for clinical trials, especially those known as phase I trials, in which a new drug is tested on people for the first time.
第一阶段人体临床试验将于明年初春开始。
The first phase of human clinical trials will start early spring next year.
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