Postoperative pain control after lumbar spine fusion. Patient-controlled analgesia versus continuous epidural analgesia
Cohen, B E ; Hartman, M B ; Wade, J T ; Miller, J S ; Gilbert, R ; Chapman, T M
Spine (Philadelphia, Pa. 1976), 1997-08, Vol.22 (16), p.1892-1896 [Periódico revisado por pares]United States
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