Sir James Young Simpson (1811-1870).
D000773:Anesthesia, Obstetrical / Q000266:history; D002725:Chloroform / Q000266:history; D049672:History, 19th Century; D008880:Midwifery / Q000266:history; D009774:Obstetrics / Q000266:history; D012606:Scotland
D002725:Chloroform