@article{doi:10.1302/0301-620X.58B1.178665,
author = {Harrison, MH and Turner, MH and Jacobs, P},
title = {Skeletal immaturity in Perthes' disease},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {58-B},
number = {1},
pages = {37-40},
year = {1976},
doi = {10.1302/0301-620X.58B1.178665},
url = {https://doi.org/10.1302/0301-620X.58B1.178665}
}