@article{doi:10.1302/0301-620X.84B6.0840839,
author = {Havelin, L. I. and Espehaug, B. and Engesæter, L. B.},
title = {The performance of two hydroxyapatite-coated acetabular cups compared with Charnley cups},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {84-B},
number = {6},
pages = {839-845},
year = {2002},
doi = {10.1302/0301-620X.84B6.0840839},
url = {https://doi.org/10.1302/0301-620X.84B6.0840839}
}