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A method of studying a drug or procedure in which both the subjects and investigators are kept unaware of who is actually getting which specific treatment.
Entry Term(s)
Double-Blind Study
Double-Masked Method
Double-Masked Study
Public MeSH Note
90; was see under RESEARCH DESIGN 1977-89
History Note
90(Aug 77); was in Cat E & H Aug 77-79; was see under RESEARCH DESIGN 1977-89
A method of studying a drug or procedure in which both the subjects and investigators are kept unaware of who is actually getting which specific treatment.