Respiratory tracts may arise from air of a month.Logical formLearned from2 sentences. Injuries can be to respiratory tracts.Logical formLearned from2 sentences. (Cleanup workers) may wear respiratory masks.Logical formLearned from2 sentences. A brain may be caused by respiratory arrest.Logical formLearned from2 sentences. A male may suffer from respiratory disease.Logical formLearned from2 sentences. A complication can be respiratory.Logical formLearned from2 sentences. Deaths can be from respiratory disease.Logical formLearned from2 sentences. A condition may pertain-to a respiratory tract.Logical formLearned from2 sentences. Patients may go into respiratory arrest.Logical formLearned from2 sentences. A child may have a respiratory infection.Logical formLearned from2 sentences. Tissue may be removed from parts of a respiratory tract.Logical formLearned from2 sentences. Incubators can be constituted-of-or-filled-with respiratory diseases.Logical formLearned from2 sentences. Respiratory failure may be complicated by pneumonia.Logical formLearned from2 sentences. A respiratory illness can be at a (nursing home).Logical formLearned from2 sentences. A respiratory illness may be caused by bacteria.Logical formLearned from2 sentences.