Specimen can be respiratory.Logical formLearned from49 sentences. (Health effects) can be respiratory.Logical formLearned from48 sentences. Viral infections can be respiratory.Logical formLearned from48 sentences. A (syndrome epidemic) can be respiratory.Logical formLearned from47 sentences. Irritants can be respiratory.Logical formLearned from44 sentences. Troubles can be respiratory.Logical formLearned from43 sentences. A center can be respiratory.Logical formLearned from42 sentences. Persons can be with respiratory diseases.Logical formLearned from42 sentences. A respiratory illness can be deadly.Logical formLearned from42 sentences. Overdoses may cause respiratory depression.Logical formLearned from39 sentences. A (bypass system) can be respiratory.Logical formLearned from38 sentences. A viral infection can be respiratory.Logical formLearned from37 sentences. A bypass can be respiratory.Logical formLearned from37 sentences. An anthrax can be respiratory.Logical formLearned from37 sentences. A collapse can be respiratory.Logical formLearned from36 sentences.