@article{doi:10.1302/0301-620X.86B8.15246,
author = {Tokuhara, Y. and Kadoya, Y. and Nakagawa, S. and Kobayashi, A. and Takaoka, K.},
title = {The flexion gap in normal knees},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {86-B},
number = {8},
pages = {1133-1136},
year = {2004},
doi = {10.1302/0301-620X.86B8.15246},
url = {https://doi.org/10.1302/0301-620X.86B8.15246}
}