THE HISTORY OF PERIDURAL ANESTHESIA.
D000758:Anesthesia; D000767:Anesthesia, Epidural; D000775:Anesthesia, Spinal; D000776:Anesthesiology; D006664:History; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans
ANESTHESIA, SPINAL; HISTORY; HISTORY OF MEDICINE, 19TH CENT.; HISTORY OF MEDICINE, 20TH CENT.