title: FOLLOW-UP results after penicillin therapy of early syphilis.
mesh_terms: D002601:Chancre / Q000628:therapy*; D005500:Follow-Up Studies; D010406:Penicillins; D013587:Syphilis / Q000628:therapy*
chemical_list: D010406:Penicillins
keywords: CHANCRE/therapy; SYPHILIS/therapy