title: Serological tests for syphilis in the elderly.
mesh_terms: D000368:Aged; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013587:Syphilis / Q000175:diagnosis; D013588:Syphilis Serodiagnosis; D014209:Treponema Immobilization Test