@article{doi:10.1302/0301-620X.76B3.8175846,
author = {Amstutz, HC and Grigoris, P and Safran, MR and Grecula, MJ and Campbell, PA and Schmalzried, TP},
title = {Precision-fit surface hemiarthroplasty for femoral head osteonecrosis. Long-term results},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {76-B},
number = {3},
pages = {423-427},
year = {1994},
doi = {10.1302/0301-620X.76B3.8175846},
url = {https://doi.org/10.1302/0301-620X.76B3.8175846}
}