title: [Mechanisms involved in syphilitic reinfection].
mesh_terms: D000328:Adult; D005260:Female; D005837:Genitalia, Male / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010406:Penicillins / Q000627:therapeutic use; D013587:Syphilis / Q000188:drug therapy / Q000209:etiology*
chemical_list: D010406:Penicillins