title: Dr. Wells' impact on dentistry and medicine.
authors.forename: J W
authors.initials: JW
authors.lastname: Chancellor
mesh_terms: D000766:Anesthesia, Dental / Q000266:history*; D000769:Anesthesia, Inhalation / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D009609:Nitrous Oxide / Q000266:history*; D014081:Tooth Extraction / Q000266:history; D014481:United States
chemical_list: D009609:Nitrous Oxide