Dentistry and anaesthesia.
Spence
A A
AA
University of Edinburgh.
Young
C
C
D000766:Anesthesia, Dental / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D009609:Nitrous Oxide / Q000266:history; D006113:United Kingdom; D014481:United States
D009609:Nitrous Oxide