AU - Katz, Jeffrey N. TI - Lumbar Disc Disorders and Low-Back Pain: Socioeconomic Factors and Consequences PT - JOUR DP - 2006 TA - The Journal of Bone & Joint Surgery PG - 21-24 VI - 88 IP - suppl_2 AID - 10.2106/JBJS.E.01273 [doi] 4100 - http://dx.doi.org/10.2106/JBJS.E.01273 SO - The Journal of Bone & Joint Surgery April 1, 2006 88(suppl_2):21