[Wilhelm Konrad Roentgen (1845-1923) (on the 90th anniversary of discovery of roentgen rays)].
D005858:Germany; D049672:History, 19th Century; D049673:History, 20th Century; D011859:Radiography / Q000266:history; D011871:Radiology / Q000266:history
Vil'gel'm Konrad Rentgen (1845-1923) (k 90-letiiu otkrytiia rentgenovskikh lucheĭ).