%0 Journal Article %A KH Koo %A YC Ha %A HJ Kim %A JJ Yoo %A YM Kim %T QUANTIFYING THE EXTENT OF FEMORAL HEAD OSTEONECROSIS: A MODIFIED KERBOUL METHOD USING MAGNETIC RESONANCE IMAGING %D 2004 %J Orthopaedic Proceedings %P 146-146 %V 86-B %N SUPP_II %R 10.1302/0301-620X.86BSUPP_II.0860146b %U https://doi.org/10.1302/0301-620X.86BSUPP_II.0860146b %K