Participants can be randomized to change.Logical formLearned from1 sentences. A (ritonavir study) can be randomized.Logical formLearned from1 sentences. Randomized trials may be doed.Logical formLearned from1 sentences. Mice can be randomized.Logical formLearned from1 sentences. A randomized clinical trial can be long-term.Logical formLearned from1 sentences. A randomized clinical trial can be constituted-of-or-filled-with (colon cancer patients).Logical formLearned from1 sentences. A case can be in a randomized clinical trial.Logical formLearned from1 sentences. Persons may have a randomized trial.Logical formLearned from1 sentences. A vaccine can be in a randomized trial.Logical formLearned from1 sentences. Literature may include some randomized trials.Logical formLearned from1 sentences. Some randomized trials can be on brief interventions.Logical formLearned from1 sentences. Persons may abandon a randomized controlled trial.Logical formLearned from1 sentences. Meta-analysis of randomized (control trials) may address brief interventions.Logical formLearned from1 sentences. A randomized controlled trial can be in community.Logical formLearned from1 sentences. Some randomized trials may be limited to a session.Logical formLearned from1 sentences.