(Q108510128)
English
quadruple-blind clinical trial
trial where typically patient/subject, care giver, assessor and investigator do not know what treatment was given (e.g, active vs. placebo)
- quadruple blind trial
- quadruple-blinded trial
- quadruple-blinded study
- quadruple-blind study
- quadruple-masked study
- quadruple-masked trial
- quadruple-blinded clinical trial
- quadruple-masked clinical trial