Influence of the loading frequency on the wear rate of a polyethylene-on-metal lumbar intervertebral disc replacement.
Kettler
Annette
A
SpineServ GmbH & Co KG, Soeflinger Strasse 100, 89077 Ulm, Germany. annette.kettler@spineserv.de
Bushelow
Michael
M
Wilke
Hans-Joachim
HJ