Geerdink, C. H., Grimm, B., Ramakrishnan, R., Rondhuis, J., Verburg, A. J., & Tonino, A. J. (2006). Crosslinked polyethylene compared to conventional polyethylene in total hip replacement: Pre-clinical evaluation, in-vitro testing and prospective clinical follow-up study. Acta Orthopaedica, 77(5), 719–725. https://doi.org/10.1080/17453670610012890