Renkawitz, T., Santori, F. S., Grifka, J., Valverde, C., Morlock, M. M., & Learmonth, I. D. (2008). A new short uncemented, proximally fixed anatomic femoral implant with a prominent lateral flare: Design rationals and study design of an international clinical trial. BioMed Central.

Renkawitz, Tobias, Francesco S. Santori, Joachim Grifka, Carlos Valverde, Michael M. Morlock, và Ian D. Learmonth. A New Short Uncemented, Proximally Fixed Anatomic Femoral Implant With a Prominent Lateral Flare: Design Rationals and Study Design of an International Clinical Trial. BioMed Central, 2008.

Renkawitz, Tobias, et al. A New Short Uncemented, Proximally Fixed Anatomic Femoral Implant With a Prominent Lateral Flare: Design Rationals and Study Design of an International Clinical Trial. BioMed Central, 2008.