TY - JOUR AU - Lafforgue, P TI - Pathophysiology and natural history of avascular necrosis of bone JO - Joint Bone Spine IS - 05 VL - 73 PY - 2006 DO - 10.1016/j.jbspin.2006.01.025 L3 - PubMed-ID: 16931094 SP - 500 EP - 507. ER -