@article{doi:10.1302/0301-620X.69B2.3818755,
author = {Ippolito, E and Tudisco, C and Farsetti, P},
title = {The long-term prognosis of unilateral Perthes' disease},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {69-B},
number = {2},
pages = {243-250},
year = {1987},
doi = {10.1302/0301-620X.69B2.3818755},
url = {https://doi.org/10.1302/0301-620X.69B2.3818755}
}