@article{doi:10.1302/0301-620X.85BSUPP_III.0850288a,
author = {Birch, N. and Orpen, N.},
title = {AVASCULAR NECROSIS OF THE FEMORAL HEAD AFTER SURGERY FOR LUMBAR SPINAL STENOSIS},
journal = {Orthopaedic Proceedings},
volume = {85-B},
number = {SUPP_III},
pages = {288-288},
year = {2003},
doi = {10.1302/0301-620X.85BSUPP_III.0850288a},
url = {https://doi.org/10.1302/0301-620X.85BSUPP_III.0850288a}
}