实验方案(Protocols)
Blinded design of clinical studies of drugs
Blinded design of clinical studies of drugs
Blinding (blinding, masking) refers to the clinical trials of drugs, in order to avoid the researcher and/or the subject to know the type of drug used in different test groups and the evaluation of a method of influence (bias). Blinding is mainly categorized into Single Blind Trial (Single Blind Trial), Double Blind Trial (Double Blind Trial) and Double Blind, Double Dummy Trial (Double Blind, Double Dummy Trial).
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危险品化学品经营许可证(带存储)