TY - JOUR AU - Schmalzried, T P; Callaghan, J J TI - Wear in total hip and knee replacements JO - J Bone Joint Surg Am IS - 01 VL - 81 PY - 1999 DO - 10.2106/00004623-199901000-00016 L3 - PubMed-ID: 9973062 SP - 115 EP - 136 ER -