[Sixty-year anniversary of the discovery of roentgen rays].
D000846:Anniversaries and Special Events; D006664:History; D006801:Humans; D011859:Radiography / Q000266:history*; D013679:Technology, Radiologic / Q000266:history*; D014965:X-Rays
BIOGRAPHIES; ROENTGENOLOGY/history
Shestidesiatiletie otkrytiia rentgenovykh luchei.