@article{doi:10.1302/0301-620X.73B2.2005169,
author = {Bishay, M},
title = {Sleeve fracture of upper pole of patella},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {73-B},
number = {2},
pages = {339-339},
year = {1991},
doi = {10.1302/0301-620X.73B2.2005169},
url = {https://doi.org/10.1302/0301-620X.73B2.2005169}
}