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control arm
gen. braccio di controllo; braccio di regolazione
med. gruppo di controllo
tech. barra di regolazione rotativa
 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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