[COMMEMORATIVE DAYS IN ROENTGENOLOGY].
D006664:History; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008511:Medicine; D011859:Radiography
HISTORY; HISTORY OF MEDICINE, 19TH CENT.; HISTORY OF MEDICINE, 20TH CENT.; RADIOGRAPHY
GEDENKTAGE DER ROENTGENOLOGIE.