title: An improved balloon system for monitoring intraesophageal pressure in acutely ill patients.
mesh_terms: D003422:Critical Care; D004947:Esophagus / Q000502:physiology*; D006801:Humans; D007440:Intubation; D007441:Intubation, Gastrointestinal; D008991:Monitoring, Physiologic / Q000295:instrumentation*; D011312:Pressure; D012129:Respiratory Function Tests / Q000295:instrumentation*