@article{doi:10.1302/0301-620X.71B4.2768296,
author = {Morrey, BF},
title = {Upper tibial osteotomy for secondary osteoarthritis of the knee},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {71-B},
number = {4},
pages = {554-559},
year = {1989},
doi = {10.1302/0301-620X.71B4.2768296},
url = {https://doi.org/10.1302/0301-620X.71B4.2768296}
}