title: Upper oesophageal sphincter yield pressure in normal subjects and in patients with gastro-oesophageal reflux.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002404:Catheterization; D004941:Esophagitis / Q000503:physiopathology; D004945:Esophagoscopy; D004947:Esophagus / Q000502:physiology / Q000503:physiopathology*; D005260:Female; D005764:Gastroesophageal Reflux / Q000503:physiopathology; D006356:Heartburn / Q000503:physiopathology; D006548:Hernia, Diaphragmatic; D006801:Humans; D006851:Hydrochloric Acid; D006863:Hydrogen-Ion Concentration; D008297:Male; D008875:Middle Aged; D010477:Perfusion; D011187:Posture; D011312:Pressure
chemical_list: D006851:Hydrochloric Acid