It's--that's a very different process than testing a drug, where if you had a drug for heart disease, you would give it to patients that had heart disease and see if you had an impact.

这与药物的临床试验截然不同,如果对一种治疗心脏病的药进行临床试验,你可以将药分发给,心脏病患者并观察药效

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