title: One-hundred-and-fifty years of measurements of hydrochloric acid in gastric juice.
mesh_terms: D001671:Biochemistry / Q000266:history*; D004739:England; D005745:Gastric Acidity Determination; D005762:Gastroenterology / Q000266:history; D049671:History, 18th Century; D049672:History, 19th Century