@article{doi:10.1302/0301-620X.61B3.479256,
author = {Blakemore, ME and Harrison, MH},
title = {A prospective study of children with untreated Catterall group 1 Perthes' disease},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {61-B},
number = {3},
pages = {329-333},
year = {1979},
doi = {10.1302/0301-620X.61B3.479256},
url = {https://doi.org/10.1302/0301-620X.61B3.479256}
}