An efficacy may pertain-to concepts.Logical formLearned from3 sentences. Evidence may exist for efficacy.Logical formLearned from3 sentences. An efficacy of a product of (side effects) may undergo a monitoring.Logical formLearned from3 sentences. (Efficacy variability) may undergo interactions.Logical formLearned from3 sentences. An efficacy may pertain-to aid.Logical formLearned from3 sentences. A treatment can be with efficacy.Logical formLearned from3 sentences. A concern can be with efficacy.Logical formLearned from3 sentences. An efficacy may pertain-to a chemical.Logical formLearned from3 sentences. Viewership of (heart television spots) may be associated with levels of efficacy.Logical formLearned from3 sentences. An efficacy can be technological.Logical formLearned from3 sentences. An efficacy of inhibitors may depend on an administration.Logical formLearned from3 sentences. Concern can be about an efficacy of doing.Logical formLearned from3 sentences. A belief may give an efficacy to a sanction.Logical formLearned from3 sentences. Efficacy can be in a field.Logical formLearned from3 sentences. Some agents can be with efficacy.Logical formLearned from3 sentences.