History, current status and future of regional anesthesia.
D000765:Anesthesia, Conduction / Q000266:history* / Q000639:trends; D000773:Anesthesia, Obstetrical / Q000266:history / Q000639:trends; D001315:Australia; D002170:Canada; D005060:Europe; D005202:Asia, Eastern; D005260:Female; D005544:Forecasting; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D011247:Pregnancy; D013548:Sweden; D006113:United Kingdom; D014481:United States