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Anterior view of the nonmodular constrained prosthesis (Exactech, Inc., Gainesville, FL, USA) (Reprinted with permission from Anderson JA, Baldini A, MacDonald JH, Pellicci PM, Sculco TP. Primary constrained condylar knee arthroplasty without stem extensions for the valgus knee. Clin Orthop Relat Res. 2006;442:199–203 [1]
