title: Intrinsic lower esophageal activity may interfere with esophageal pressure measurements.
mesh_terms: D000758:Anesthesia; D004947:Esophagus / Q000187:drug effects*; D006801:Humans; D009609:Nitrous Oxide / Q000494:pharmacology*; D011312:Pressure
chemical_list: D009609:Nitrous Oxide