title: Oesophageal manometry by liquid-filled catheters.
mesh_terms: D002404:Catheterization; D004947:Esophagus / Q000502:physiology*; D005769:Gastrointestinal Motility; D006801:Humans; D008365:Manometry / Q000295:instrumentation*; D010528:Peristalsis; D014867:Water
chemical_list: D014867:Water