The sesquicentennial of other anesthesia.
Koch
E
E
D000768:Anesthesia, General / Q000266:history*; D018685:Anesthetics, Inhalation / Q000266:history*; D004986:Ether / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans
D018685:Anesthetics, Inhalation; D004986:Ether