HISTORICAL CONTACT-TRACING IN DENMARK.
D003140:Communicable Disease Control; D003718:Denmark; D006664:History; D049669:History, 16th Century; D006801:Humans; D008511:Medicine; D013587:Syphilis
COMMUNICABLE DISEASE CONTROL; DENMARK; HISTORY; HISTORY OF MEDICINE, 16TH CENT.; SYPHILIS