@article{doi:10.1302/0301-620X.71B4.2768325,
author = {Backer, M and Kofoed, H},
title = {Passive ankle mobility. Clinical measurement compared with radiography},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {71-B},
number = {4},
pages = {696-698},
year = {1989},
doi = {10.1302/0301-620X.71B4.2768325},
url = {https://doi.org/10.1302/0301-620X.71B4.2768325}
}