Works about randomized clinical trials that compare interventions in clinical settings and which look at a range of effectiveness outcomes and impacts.
Works about randomized clinical trials that compare interventions in clinical settings and which look at a range of effectiveness outcomes and impacts.
Works about pre-planned studies of the safety, efficacy, or optimum dosage schedule (if appropriate) of one or more diagnostic, therapeutic, or prophylactic drugs, devices, or techniques selected according to predetermined criteria of eligibility and observed for predefined evidence of favorable and unfavorable effects. This concept includes clinical trials conducted both in the U.S. and in other countries.