[Advances in gastroscopic stomach diagnosis with the use of fiber optical appliances].
D001706:Biopsy; D020699:Gastroscopes; D005773:Gastroscopy / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D010781:Photography; D013272:Stomach Diseases / Q000175:diagnosis*
Fortschritte der gastroskopischen Magendiagnostik durch Anwendung faseroptischer Geräte.