title: W. T. G. Morton's "Letheon" advertisement.
authors.affiliation: ASA's Wood Library-Museum of Anesthesiology, Park Ridge, Illinois, USA. UJYC@aol.com
authors.forename: George S
authors.initials: GS
authors.lastname: Bause
mesh_terms: D000329:Advertising / Q000266:history*; D000758:Anesthesia / Q000266:history*; D004986:Ether / Q000266:history*; D049672:History, 19th Century
chemical_list: D004986:Ether