title: Further studies on transtracheal ventilation: the influence of upper airway obstruction on the patterns of pressure and volume changes.
mesh_terms: D000402:Airway Obstruction / Q000209:etiology / Q000503:physiopathology*; D004945:Esophagoscopy / Q000009:adverse effects; D006801:Humans; D007818:Laryngeal Diseases / Q000150:complications; D007828:Laryngoscopy / Q000009:adverse effects; D008168:Lung / Q000503:physiopathology; D008365:Manometry; D008954:Models, Biological; D011175:Positive-Pressure Respiration; D011312:Pressure; D013147:Spirometry; D013997:Time Factors; D014132:Trachea; D014135:Tracheal Stenosis / Q000150:complications