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to phrases
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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