Intensive arsenotherapy of early syphilis.
D000890:Anti-Infective Agents / Q000266:history* / Q000627:therapeutic use; D001152:Arsenicals / Q000266:history* / Q000627:therapeutic use; D049673:History, 20th Century; D006801:Humans; D013587:Syphilis / Q000188:drug therapy / Q000266:history*; D014481:United States