%0 Journal Article %A N. Sugano %A T. Kubo %A K. Takaoka %A K. Ohzono %A T. Hotokebuchi %A T. Matsumoto %A H. Igarashi %A S. Ninomiya %T Diagnostic criteria for non-traumatic osteonecrosis of the femoral head %D 1999 %J The Journal of Bone & Joint Surgery British Volume %P 590-595 %V 81-B %N 4 %R 10.1302/0301-620X.81B4.0810590 %U https://doi.org/10.1302/0301-620X.81B4.0810590 %K