RT Journal A1 Bolesta, Michael J. T1 Meaningful Improvement in Perioperative Pain Control After Lumbar SurgeryCommentary on an article by Hyun Kang, MD, et al.: “Early Postoperative Analgesic Effects of a Single Epidural Injection of Ropivacaine Administered Preoperatively in Posterior Lumbar Interbody Spinal Arthrodesis. A Pilot Randomized Controlled Trial” JF The Journal of Bone & Joint Surgery JO The Journal of Bone & Joint Surgery YR 2013 FD March 6 VO 95 IS 5 SP e30 1 OP 2 DO 10.2106/JBJS.L.01645 UL http://dx.doi.org/10.2106/JBJS.L.01645 AB