title: American gastroscopy--yesterday and today.
authors.forename: J B
authors.initials: JB
authors.lastname: Kirsner
mesh_terms: D005060:Europe; D005773:Gastroscopy / Q000266:history* / Q000639:trends; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D006801:Humans; D012955:Societies, Medical / Q000266:history; D014481:United States