title: The discovery of gastric acid.
mesh_terms: D000818:Animals; D005060:Europe; D005750:Gastric Juice; D005762:Gastroenterology / Q000266:history*; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D006801:Humans; D014481:United States