A randomized controlled trial may indicate that something-is-the-case.
Randomized trials can be constituted-of-or-filled-with (chest pain units).
Some randomized controlled trials can be constituted-of-or-filled-with treatments.
Randomized controlled trials may address efficacy of nsaids.
Some randomized trials may suggest that something-is-the-case.
Results may differ from results of randomized clinical trials.
Some randomized trials may compare beta-blockers with placebo.
A randomized clinical trial can be constituted-of-or-filled-with (dialysis dose).
Data may be collected from a randomized clinical trial of persons.