@article{doi:10.1302/0301-620X.33B1.122,
author = {Charnley, John},
title = {A NEW WALKING-AID FOR SPASTIC PARALYSIS},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {33-B},
number = {1},
pages = {122-123},
year = {1951},
doi = {10.1302/0301-620X.33B1.122},
url = {https://doi.org/10.1302/0301-620X.33B1.122}
}