Geerdink, Carel H, Bernd Grimm, Rama Ramakrishnan, Jorco Rondhuis, Aart J Verburg, and Alphons J Tonino. 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):719-25. https://doi.org/10.1080/17453670610012890.