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Definition of Research, controlled

Research, controlled: A study that compared results from a treated group and a control group. The control group may receive no treatment, a placebo, or a different treatment. See also blinded study, control group, double-blinded study.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=5318
Last Editorial Review: 8/28/2013

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