@article{doi:10.1302/0301-620X.90B5.19724,
author = {Yiannakopoulos, C. K. and Chougle, A. and Eskelinen, A. and Hodgkinson, J. P. and Hartofilakidis, G.},
title = {Inter- and intra-observer variability of the Crowe and Hartofilakidis classification systems for congenital hip disease in adults},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {90-B},
number = {5},
pages = {579-583},
year = {2008},
doi = {10.1302/0301-620X.90B5.19724},
url = {https://doi.org/10.1302/0301-620X.90B5.19724}
}