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Questions tagged with  clinical_trials

nbme23 : A study is conducted... {reveal}
Block/Question (18.5 difficulty score)
A study is conducted to examine the effectiveness of a newly ...
Phase 2

nbme24 : A researcher... {reveal}
Block/Question (64.8 difficulty score)
A researcher hypothesizes that exposure to more than 50 μg/L ...
Case-control study