CONTINUOUS EPIDURAL ANALGESIA--THE USE OF AN INTERMITTENT INJECTION DEVICE.
D015360:Analgesia, Epidural; D000775:Anesthesia, Spinal; D004864:Equipment and Supplies; D006801:Humans; D007267:Injections; D007278:Injections, Spinal
ANESTHESIA, SPINAL; EQUIPMENT AND SUPPLIES; INJECTIONS; INJECTIONS, INTRATHECAL