Archive Of Medical Research

particular, none of those involved in the study know which subjects are being administered a placebo. Of note, during the last ten years or so it has become a common practice to conduct "active comparator" trials (also known as "active control" trials) - in other words, when a treatment exists that is clearly better than doing nothing (i.e. the placebo) for the subject, the alternate treatment would be a standard-of-care
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