title: Mechanism of pyrosis. A clinical study.
mesh_terms: D005745:Gastric Acidity Determination; D005764:Gastroesophageal Reflux / Q000150:complications / Q000175:diagnosis / Q000503:physiopathology*; D005769:Gastrointestinal Motility / Q000187:drug effects; D006356:Heartburn / Q000150:complications / Q000000981:diagnostic imaging / Q000209:etiology* / Q000503:physiopathology; D006548:Hernia, Diaphragmatic / Q000150:complications; D006801:Humans; D006851:Hydrochloric Acid / Q000494:pharmacology; D010477:Perfusion; D011859:Radiography
chemical_list: D006851:Hydrochloric Acid