title: A valve assembly for studying pulmonary function in trauma patients.
mesh_terms: D002056:Burns / Q000503:physiopathology*; D002248:Carbon Monoxide / Q000032:analysis; D006801:Humans; D008168:Lung / Q000503:physiopathology*; D008170:Lung Compliance; D009584:Nitrogen; D010101:Oxygen Consumption; D011312:Pressure; D012123:Pulmonary Ventilation; D012119:Respiration; D012129:Respiratory Function Tests / Q000295:instrumentation*; D013147:Spirometry / Q000295:instrumentation; D014140:Tracheotomy
chemical_list: D002248:Carbon Monoxide; D009584:Nitrogen