Atlas SJ, Singer DE, Keller RB, Patrick DL, Deyo RA. Application of outcomes research in occupational low back pain: the Maine Lumbar Spine Study. Am J Ind Med. 1996 Jun;29(6):584-9.
Atlas SJ, Singer DE, Keller RB, Patrick DL, Deyo RA. Application of outcomes research in occupational low back pain: the Maine Lumbar Spine Study. Am J Ind Med. 1996 Jun;29(6):584-9.