Initial serological reactions in infectious syphilis.
D000328:Adult; D001741:Black or African American; D005007:Ethnology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013588:Syphilis Serodiagnosis; D013592:Syphilis, Latent / Q000175:diagnosis; D044465:White People