@article{doi:10.1302/0301-620X.63B4.7298675,
author = {Evans, GA and Drennan, JC and Russman, BS},
title = {Functional classification and orthopaedic management of spinal muscular atrophy},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {63-B},
number = {4},
pages = {516-522},
year = {1981},
doi = {10.1302/0301-620X.63B4.7298675},
url = {https://doi.org/10.1302/0301-620X.63B4.7298675}
}