Randomized Controlled Trials |
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| Randomized Clinical Trials; Trials, Randomized Clinical; Controlled Trial, Randomized; Controlled Trials, Randomized; Trial, Randomized Controlled; Trials, Randomized Controlled | |
| Clinical trials that involve at least one test treatment and one control treatment, concurrent enrollment and follow-up of the test- and control-treated groups, and in which the treatments to be administered are selected by a random process, such as the use of a random-numbers table. | |