Value of epidural analgesia for surgical operations in underdoctored areas.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000775:Anesthesia, Spinal; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009549:Nigeria; D011247:Pregnancy; D013514:Surgical Procedures, Operative