@article{doi:10.1302/0301-620X.59B2.873986,
author = {Blackburne, JS and Peel, TE},
title = {A new method of measuring patellar height},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {59-B},
number = {2},
pages = {241-242},
year = {1977},
doi = {10.1302/0301-620X.59B2.873986},
url = {https://doi.org/10.1302/0301-620X.59B2.873986}
}