Dental surgeons in the early days of anaesthesia.
Zimmer
M
M
Ecole Pratique des Hautes Etudes, Paris.
D000766:Anesthesia, Dental / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D013515:Surgery, Oral / Q000266:history*; D006113:United Kingdom; D014481:United States