L. Engesæter, S. A. Lie, B. Espehaug, O. Furnes, S. E. Vollset, and L. I. Havelin, “Antibiotic prophylaxis in total hip arthroplastyEffects of antibiotic prophylaxis systemically and in bone cement on the revision rate of 22,170 primary hip replacements followed 0-14 years in the Norwegian Arthroplasty Register”, ActaO, vol. 74, no. 6, pp. 644–651, Jan. 2003.