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