Thoracic extradural (epidural) block for upper abdominal surgery.
D000005:Abdomen / Q000601:surgery*; D000775:Anesthesia, Spinal; D000813:Anilides; D006591:Hexobarbital; D006801:Humans; D008161:Lumbosacral Region; D008722:Methods; D010875:Pipecolic Acids; D011182:Postoperative Care
D000813:Anilides; D010875:Pipecolic Acids; D006591:Hexobarbital