title: [Development and tendencies in contrast media studies. Examples: urography and cholegraphy].
mesh_terms: D002765:Cholecystography / Q000266:history*; D003287:Contrast Media / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D014567:Urography / Q000266:history*
chemical_list: D003287:Contrast Media
vernacular_title: Entwicklung und Tendenzen bei Kontrastmitteluntersuchungen. Beispiele: Urographie und Cholegraphie.