Regard can be to some efficacy.Logical formLearned from3 sentences. (Efficacy claims) can be about products.Logical formLearned from3 sentences. An efficacy may pertain-to (filtration systems).Logical formLearned from3 sentences. An efficacy may pertain-to a list.Logical formLearned from3 sentences. An efficacy may pertain-to recommendations.Logical formLearned from3 sentences. An efficacy may pertain-to protocols.Logical formLearned from3 sentences. An efficacy can be unexpected.Logical formLearned from3 sentences. An efficacy may pertain-to a focus.Logical formLearned from3 sentences. An efficacy of bringing a curriculum may assist persons.Logical formLearned from3 sentences. Persons may have (efficacy trials).Logical formLearned from3 sentences. A study may show efficacy.Logical formLearned from3 sentences. A model may show efficacy.Logical formLearned from3 sentences. An efficacy can be times.Logical formLearned from3 sentences. A blunder may refuse an efficacy to prayer.Logical formLearned from3 sentences. An efficacy can be to prayer.Logical formLearned from3 sentences.