title: What is there that is not poison? A study of the Third Defense by Paracelsus.
mesh_terms: D001317:Austria; D004358:Drug Therapy / Q000266:history; D006138:Guaiac / Q000266:history; D049669:History, 16th Century; D008670:Metals / Q000627:therapeutic use; D011042:Poisons / Q000266:history*; D013587:Syphilis / Q000188:drug therapy / Q000266:history; D014116:Toxicology / Q000266:history
chemical_list: D008670:Metals; D011042:Poisons; D006138:Guaiac