title: Abstracts. Part II. XII. Congress of the German Society for Endoscopy. Erlangen, March 15--17, 1979.
mesh_terms: D003226:Congresses as Topic; D019723:Endoscopes; D004724:Endoscopy / Q000379:methods; D005860:Germany, West; D006801:Humans; D012958:Societies, Scientific; D013514:Surgical Procedures, Operative