[Extradural anesthesia in abdominal surgery].
D000005:Abdomen / Q000601:surgery*; D000328:Adult; D000368:Aged; D000767:Anesthesia, Epidural; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged
Anestesia extradural en cirugía abdominal