DAUNT 发表于 2025-3-25 06:21:49
Mostly about Clinical Trials,are the value of a drug versus a placebo. A placebo is an inert substance that looks like the drug being tested. It may compare a new therapy versus a currently standard therapy. It may compare surgical versus medical intervention. It may also compare two methods of teaching reading, two methods ofinterior 发表于 2025-3-25 11:33:29
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