@article{doi:10.1302/0301-620X.90B7.20111,
author = {Yiannakopoulos, C. K. and Mataragas, E. and Antonogiannakis, E.},
title = {The effect of quadriceps contraction during weight-bearing on four patellar height indices},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {90-B},
number = {7},
pages = {870-873},
year = {2008},
doi = {10.1302/0301-620X.90B7.20111},
url = {https://doi.org/10.1302/0301-620X.90B7.20111}
}