AU - Parker Vail, Thomas TI - Preoperative Pain Management Decisions Impact Outcome After Total Knee Arthroplasty—Implications for Opiate UseCommentary on an article by Michael G. Zywiel, MD, et al.: “Chronic Opioid Use Prior to Total Knee Arthroplasty” PT - JOUR DP - 2011 TA - The Journal of Bone & Joint Surgery PG - e129 1-1 VI - 93 IP - 21 AID - 10.2106/JBJS.K.01145 [doi] 4100 - http://dx.doi.org/10.2106/JBJS.K.01145 SO - The Journal of Bone & Joint Surgery November 2, 2011 93(21):e129 1