1. Arnold MP, Friederich NF, Widmer H, Müller W (1998) Patellar replacement in total knee arthroplasty — Needed? — Not needed? 5 years results. In: Rabenseifner L (Hrsg) Knieen-doprothetik. Steinkopff, Darmstadt, pp 116–122
2. Buechel FF (1994) Cementless meniscal bearing knee arthroplasty: 7- to 12-year outcome analysis. Orthopedics 17:833–836
3. Insall JN (1996) Knee arthroplasty: Then, now, and tomorrow. In: Insall JN, Scott WN, Scuderi GR (eds) Current concepts in primary and revision total knee arthroplasty. Lippin-cott-Raven, Philadelphia, pp 1–2
4. Insall JN, Dorr LE, Scott R, Scott WN (1989) Rationale of the knee society clinical rating system. Clin Orthop 248:13–14
5. Jerosch J, Heisel J (1998) Knieendoprothetik. Springer, Berlin Jüsten H-P (1995) Differentialindikation zum Kniegelenkersatz. In: Wessinghage D (Hrsg) Praktische Orthopädie 27: Rheumatologie — Endoprothetik. Thieme, Stuttgart