@article{doi:10.1302/0301-620X.71B2.2925750,
author = {Macdonald, DA and Hutton, JF and Kelly, IG},
title = {Maximal isometric patellofemoral contact force in patients with anterior knee pain},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {71-B},
number = {2},
pages = {296-299},
year = {1989},
doi = {10.1302/0301-620X.71B2.2925750},
url = {https://doi.org/10.1302/0301-620X.71B2.2925750}
}