Empirical evidence can be for an efficacy of types of (group treatment).Logical formLearned from2 sentences. A study may compare an efficacy of artemether.Logical formLearned from2 sentences. (Efficacy trials) can be with random assignment.Logical formLearned from2 sentences. An efficacy may pertain-to a judiciary.Logical formLearned from2 sentences. A (knowledge deficit) can be on an efficacy of social programs.Logical formLearned from2 sentences. An efficacy may pertain-to social programs.Logical formLearned from2 sentences. Data may verify an efficacy of a (treatment unit).Logical formLearned from2 sentences. An efficacy may pertain-to a (treatment unit).Logical formLearned from2 sentences. A (product efficacy) can be proven.Logical formLearned from2 sentences. Experiments may demonstrate an efficacy of an approach.Logical formLearned from2 sentences. An efficacy may pertain-to a democratic process.Logical formLearned from2 sentences. An efficacy can be striking.Logical formLearned from2 sentences. An influence can be on (vaccine efficacy).Logical formLearned from2 sentences. (Outcome management) may be used in assessing an efficacy of a form of (information access).Logical formLearned from2 sentences. An efficacy of approaches can be untested.Logical formLearned from2 sentences.