Sites can be in a respiratory tract.Logical formLearned from2 sentences. (Cannabis smoking) may cause diseases of a respiratory system.Logical formLearned from2 sentences. Respiratory depression may require support.Logical formLearned from2 sentences. Vaccines can be against respiratory infections.Logical formLearned from2 sentences. Reports can be constituted-of-or-filled-with respiratory virus.Logical formLearned from2 sentences. A (hygiene/cough etiquette) can be respiratory.Logical formLearned from2 sentences. Acute respiratory infections may undergo a treatment.Logical formLearned from2 sentences. A disease may affect an upper respiratory tract.Logical formLearned from2 sentences. Normal floras may pertain-to an upper respiratory tract.Logical formLearned from2 sentences. (Care personnel) can be respiratory.Logical formLearned from2 sentences. An upper respiratory tract may undergo involvement.Logical formLearned from2 sentences. Acute exposure to (toluene vapor) may irritate mucous membranes of a respiratory tract.Logical formLearned from2 sentences. A respiratory tract may undergo an instrumentation.Logical formLearned from2 sentences. Exudates can be respiratory.Logical formLearned from2 sentences. Devices may be used on a respiratory tract.Logical formLearned from2 sentences.