@article{doi:10.1302/0301-620X.88B9.17400,
author = {Wiig, O. and Terjesen, T. and Svenningsen, S. and Lie, S. A.},
title = {The epidemiology and aetiology of Perthes’ disease in Norway},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {88-B},
number = {9},
pages = {1217-1223},
year = {2006},
doi = {10.1302/0301-620X.88B9.17400},
url = {https://doi.org/10.1302/0301-620X.88B9.17400}
}