[Syphilis and contact tracing in the USA].
Weismann
K
K
D016358:Contact Tracing; D006801:Humans; D013587:Syphilis / Q000453:epidemiology* / Q000517:prevention & control / Q000635:transmission; D014481:United States / Q000453:epidemiology
Syfilis og smitteopsporing i USA.