Spinal analgesia.
D000775:Anesthesia, Spinal; D003992:Dibucaine; D004335:Drug and Narcotic Control; D004467:Economics; D006801:Humans; D008012:Lidocaine; D011343:Procaine; D013748:Tetracaine
D013748:Tetracaine; D011343:Procaine; D008012:Lidocaine; D003992:Dibucaine