Regional techniques and length of hospital stay after abdominal aortic surgery.
D000765:Anesthesia, Conduction; D001012:Aorta, Abdominal / Q000601:surgery*; D006801:Humans; D007902:Length of Stay; D011183:Postoperative Complications / Q000453:epidemiology / Q000628:therapy; D014656:Vascular Surgical Procedures