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control arm

auto. brazo de control
med. grupo de control
tech. barra de regulación giratoria
 English thesaurus
control arm
med. In a clinical trial, the group of participants that is not given the experimental treatment being studied. The control arm receives either the standard treatment for the disease or a placebo. The control arm is compared to the experimental treatment arm to determine whether the experimental treatment works. see also clinical trial, controlled trial, experimental arm, placebo
control arm
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