%0 Journal Article %A Nick Birch %A Neil Orpen %T AVASCULAR NECROSIS OF THE FEMORAL HEAD AFTER SURGERY FOR LUMBAR SPINAL STENOSIS %D 2004 %J Orthopaedic Proceedings %P 92-92 %V 86-B %N SUPP_I %R 10.1302/0301-620X.86BSUPP_I.0860092c %U https://doi.org/10.1302/0301-620X.86BSUPP_I.0860092c %K