title: [75th anniversary of the discovery of roentge rays].
mesh_terms: D005858:Germany; D049672:History, 19th Century; D049673:History, 20th Century; D011859:Radiography / Q000266:history*; D014567:Urography / Q000266:history
vernacular_title: K 75-letiiu otkrytiia rentgenocykh lucheĭ.