@article{doi:10.1302/0301-620X.67B4.4030851,
author = {Howie, CR and Smith, GD and Christie, J and Gregg, PJ},
title = {Torsion of localised pigmented villonodular synovitis of the knee},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {67-B},
number = {4},
pages = {564-566},
year = {1985},
doi = {10.1302/0301-620X.67B4.4030851},
url = {https://doi.org/10.1302/0301-620X.67B4.4030851}
}