ORIGINAL INVESTIGATION: Cost-effectiveness of Total Knee Arthroplasty in the United States: Patient Risk and Hospital Volume

E Losina, R. P Walensky, C. L Kessler, P. S Emrani, W. M Reichmann, E. A Wright, H. L Holt, D. H Solomon, E Yelin, A. D Paltiel and J. N. Katz

Archives of Internal Medicine 169 ( 12 ): 1113 - 1121 , 2009