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double-blind study

мед., фарма., науч.-ис. com dupla ocultação; duplamente anónimo; duplamente cego; duplamente oculto; ensaio duplo-cego
 Английский тезаурус
double-blind study
мед. A type of clinical trial in which neither the participants nor the researchers know which participants are receiving the experimental treatment and which participants are receiving the control treatment. см. также clinical trial, control arm, single-blind study