Potential can be for efficacy.Logical formLearned from4 sentences. Regard can be to an efficacy.Logical formLearned from4 sentences. An efficacy can be in patients.Logical formLearned from4 sentences. An efficacy may pertain-to activities.Logical formLearned from4 sentences. An efficacy may pertain-to a principle.Logical formLearned from4 sentences. An efficacy may pertain-to a book.Logical formLearned from4 sentences. A balance can be between efficacy.Logical formLearned from4 sentences. Efficacy may pertain-to approaches.Logical formLearned from4 sentences. An efficacy can be instructional.Logical formLearned from4 sentences. Claims can be constituted-of-or-filled-with (product efficacy).Logical formLearned from4 sentences. An efficacy can be institutional.Logical formLearned from4 sentences. A person may believe in an efficacy of prayer.Logical formLearned from4 sentences. An efficacy may pertain-to means.Logical formLearned from4 sentences. A vaccine may demonstrate efficacy.Logical formLearned from4 sentences. An efficacy may pertain-to a (pilot program).Logical formLearned from4 sentences.