title: An assessment of the Neff circulator.
mesh_terms: D000403:Airway Resistance; D000769:Anesthesia, Inhalation / Q000295:instrumentation*; D002245:Carbon Dioxide; D004947:Esophagus / Q000502:physiology; D006801:Humans; D008397:Masks; D011312:Pressure; D012126:Respiratory Dead Space; D013147:Spirometry; D014939:Work of Breathing
chemical_list: D002245:Carbon Dioxide