Twenty centres in the network are already doing an observational study on the patients who will be in the trial, to get a baseline from which to judge improvement from the therapy.

医疗网相关的二十个医疗中心已经对受试者进行了检测，以便于以后判断治疗的效果。

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Twenty centres in the network are already doing an observational study on the patients who will be in the trial, to get a baseline from which to judge improvement from the therapy.

医疗网相关的二十个医疗中心已经对受试者进行了检测，以便于以后判断治疗的效果。

youdao