TY  - JOUR
AU  - Steinberg, ME
AU  - Hayken, GD
AU  - Steinberg, DR
DO  - doi:10.1302/0301-620X.77B1.7822393
UR  - https://doi.org/10.1302/0301-620X.77B1.7822393
TI  - A quantitative system for staging avascular necrosis
T2  - The Journal of Bone & Joint Surgery British Volume
VL  - 77-B
IS  - 1
PY  - 1995
SP  - 34
EP  - 41
ER  -