title: Dr. Horace Wells, dentist, who first discovered, demonstrated and proclaimed the blessings of surgical anesthesia.
mesh_terms: D000769:Anesthesia, Inhalation / Q000266:history*; D049672:History, 19th Century; D009609:Nitrous Oxide / Q000266:history*; D014481:United States
chemical_list: D009609:Nitrous Oxide