An efficacy may pertain-to politics.Logical formLearned from2 sentences. An efficacy may pertain-to a military strategy.Logical formLearned from2 sentences. An efficacy may pertain-to steps.Logical formLearned from2 sentences. Physicians may exaggerate an efficacy of new drugs.Logical formLearned from2 sentences. Investigations can be into an efficacy of (water repellents).Logical formLearned from2 sentences. Alpha may have an efficacy.Logical formLearned from2 sentences. An efficacy may be explained by properties.Logical formLearned from2 sentences. An efficacy can be transient.Logical formLearned from2 sentences. (Vaccine efficacies) can be varying.Logical formLearned from2 sentences. Persons may analyze a basis of efficacy of a type of live vaccines.Logical formLearned from2 sentences. An efficacy may pertain-to a moth.Logical formLearned from2 sentences. A luminous efficacy can be for a source.Logical formLearned from2 sentences. Efficacy may undergo an observation.Logical formLearned from2 sentences. (Efficacy claims) can be unfounded.Logical formLearned from2 sentences. A record can be in refutting (efficacy claims).Logical formLearned from2 sentences.