title: [Causes and clinical features of secondary syphilis].
mesh_terms: D000328:Adult; D001136:Armenia; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013587:Syphilis / Q000453:epidemiology / Q000209:etiology*
vernacular_title: Prichiny vtorichnogo retsidivnogo sifilisa i osobennosti ego kliniki.