AU - Brauer, Carmen A. AU - Bozic, Kevin J. TI - Using Observational Data for Decision Analysis and Economic Analysis PT - JOUR DP - 2009 TA - The Journal of Bone & Joint Surgery PG - 73-79 VI - 91 IP - Supplement_3 AID - 10.2106/JBJS.H.01537 [doi] 4100 - http://dx.doi.org/10.2106/JBJS.H.01537 SO - The Journal of Bone & Joint Surgery May 1, 2009 91(Supplement_3):73