title: Counting backward.
authors.affiliation: University of North Carolina, Chapel Hill, NC, USA. vkopp@aims.unc.edu
authors.forename: Vincent J
authors.initials: VJ
authors.lastname: Kopp
mesh_terms: D000758:Anesthesia / Q000523:psychology*; D018685:Anesthetics, Inhalation; D004986:Ether; D049673:History, 20th Century; D006761:Hospitals / Q000266:history*; D014068:Tonsillectomy; D014481:United States
chemical_list: D018685:Anesthetics, Inhalation; D004986:Ether