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control arm
med.	grupo de controlo
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: 11 phrases in 4 subjects

Economy	1
General	6
Mechanic engineering	3
Transport	1