@article{doi:10.1302/0301-620X.86BSUPP_II.0860146c,
author = {Kim, HJ and Song, WS and Yoo, JJ and Koo, KH and Kim, YM},
title = {COLLAPSED NONTRAUMATIC OSTEONECROSIS OF THE FEMORAL HEAD UNDER OBSERVATION WITHOUT SPECIFIC TREATMENT},
journal = {Orthopaedic Proceedings},
volume = {86-B},
number = {SUPP_II},
pages = {146-146},
year = {2004},
doi = {10.1302/0301-620X.86BSUPP_II.0860146c},
url = {https://doi.org/10.1302/0301-620X.86BSUPP_II.0860146c}
}