A respiratory illness can be unexplained.Logical formLearned from11 sentences. A toxicity can be respiratory.Logical formLearned from11 sentences. An airflow can be respiratory.Logical formLearned from11 sentences. Risks can be respiratory.Logical formLearned from11 sentences. A component can be respiratory.Logical formLearned from11 sentences. A cell can be respiratory.Logical formLearned from11 sentences. Viruses may infect a respiratory tract.Logical formLearned from11 sentences. Respiratory diseases may undergo a prevention.Logical formLearned from11 sentences. Respiratory disease can be from inhaling dust.Logical formLearned from11 sentences. Chlorine may irritate a respiratory system.Logical formLearned from11 sentences. A secretion can be respiratory.Logical formLearned from11 sentences. Symptoms can be constituted-of-or-filled-with respiratory infections.Logical formLearned from11 sentences. A respiratory disease can be constituted-of-or-filled-with pigs.Logical formLearned from10 sentences. Patients can be with respiratory infections.Logical formLearned from10 sentences. A questionnaire can be respiratory.Logical formLearned from10 sentences.