@article{doi:10.1302/0301-620X.71B3.2722931,
author = {Howell, FR and Newman, RJ and Wang, HL and Nevelos, AB and Dickson, RA},
title = {The three-dimensional anatomy of the proximal femur in Perthes' disease},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {71-B},
number = {3},
pages = {408-412},
year = {1989},
doi = {10.1302/0301-620X.71B3.2722931},
url = {https://doi.org/10.1302/0301-620X.71B3.2722931}
}