Efficacy can be a concept.Logical formLearned from2 sentences. Efficacy of treatment of (drug abuse) may undergo trials.Logical formLearned from2 sentences. A medication may work an efficacy.Logical formLearned from2 sentences. An efficacy may pertain-to a virtue.Logical formLearned from2 sentences. A (bin issue sheet) may lose an efficacy.Logical formLearned from2 sentences. An efficacy may pertain-to (pilot programs).Logical formLearned from2 sentences. (Education specialists) may assess an efficacy of (pilot programs).Logical formLearned from2 sentences. A natural experiment may regard an efficacy of finance.Logical formLearned from2 sentences. An efficacy may pertain-to (community service activities).Logical formLearned from2 sentences. A decrease can be in an efficacy of a link.Logical formLearned from2 sentences. An efficacy may pertain-to software.Logical formLearned from2 sentences. Persons may focus discussions on an efficacy of design.Logical formLearned from2 sentences. An efficacy can be in predicting a status of cotton.Logical formLearned from2 sentences. An efficacy can be against types.Logical formLearned from2 sentences. Effects can be on efficacy of applications of agents of scab of wheat.Logical formLearned from2 sentences.