RT Journal A1 McLain, Robert F. T1 Epidural Steroid Injection Compared with Discectomy for the Treatment of Lumbar Disc Herniation JF The Journal of Bone & Joint Surgery JO The Journal of Bone & Joint Surgery YR 2005 FD February 1 VO 87 IS 2 SP 458 OP a DO UL http://dx.doi.org/ AB