An efficacy of a system may be predicated on an ability of an institution.Logical formLearned from2 sentences. Adolescents may be based on an efficacy of (risk reduction).Logical formLearned from2 sentences. A compound can be with efficacy.Logical formLearned from2 sentences. An efficacy may pertain-to a (diphtheria vaccine).Logical formLearned from2 sentences. An impurity may lend efficacy to a draught.Logical formLearned from2 sentences. An efficacy may pertain-to a (testing program).Logical formLearned from2 sentences. Regimen may show efficacy.Logical formLearned from2 sentences. A comparison can be constituted-of-or-filled-with efficacy.Logical formLearned from2 sentences. A doctor may examine an efficacy of therapy.Logical formLearned from2 sentences. A study can be on an efficacy of naltrexone.Logical formLearned from2 sentences. A (multicenter trial) may test an efficacy of (drug therapy).Logical formLearned from2 sentences. An efficacy can be in (cocaine abuse).Logical formLearned from2 sentences. A physician may recognize a question of efficacy.Logical formLearned from2 sentences. A trial may compare an efficacy of a (calcium channel blocker).Logical formLearned from2 sentences. An efficacy may pertain-to clozapine.Logical formLearned from2 sentences.