[Gastroscopy once and now].
D020699:Gastroscopes; D005773:Gastroscopy / Q000266:history*; D005858:Germany; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007564:Japan; D008722:Methods; D013272:Stomach Diseases / Q000175:diagnosis; D013274:Stomach Neoplasms / Q000175:diagnosis; D013997:Time Factors; D014481:United States
Gastroskopie einst und jetzt.