Erythromycin in early syphilis.
D004917:Erythromycin / Q000008:administration & dosage / Q000627:therapeutic use*; D005500:Follow-Up Studies; D006801:Humans; D013587:Syphilis / Q000134:cerebrospinal fluid / Q000188:drug therapy*; D013588:Syphilis Serodiagnosis
D004917:Erythromycin