Antibiotic prophylaxis in total hip arthroplasty: effects 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. - Engesaeter,L.B.; Lie,S.A.; Espehaug,B. (Acta Orthop Scand, 2003)