CONTINUOUS SPINAL ANESTHESIA USING A SPECIAL NEEDLE AND CATHETER.
D000293:Adolescent; D000758:Anesthesia; D000775:Anesthesia, Spinal; D000776:Anesthesiology; D057785:Catheters; D004864:Equipment and Supplies; D005853:Geriatrics; D006801:Humans; D009339:Needles
ADOLESCENCE; ANESTHESIA, SPINAL; EQUIPMENT AND SUPPLIES; GERIATRICS