B. Nivbrant, J. Kärrholm, S. Röhrl, H. Hassander, and B. Wesslén, “Bone cement with reduced proportion of monomer in total hip arthroplasty: Preclinical evaluation and randomized study of 47 cases with 5 years’ follow-up”, ActaO, vol. 72, no. 6, pp. 572–584, Jan. 2001.