%0 Journal Article %A GA Evans %A JC Drennan %A BS Russman %T Functional classification and orthopaedic management of spinal muscular atrophy %D 1981 %J The Journal of Bone & Joint Surgery British Volume %P 516-522 %V 63-B %N 4 %R 10.1302/0301-620X.63B4.7298675 %U https://doi.org/10.1302/0301-620X.63B4.7298675 %K