@article{doi:10.1302/0301-620X.72B2.2312560,
author = {Staubli, HU and Jakob, RP},
title = {Posterior instability of the knee near extension. A clinical and stress radiographic analysis of acute injuries of the posterior cruciate ligament},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {72-B},
number = {2},
pages = {225-230},
year = {1990},
doi = {10.1302/0301-620X.72B2.2312560},
url = {https://doi.org/10.1302/0301-620X.72B2.2312560}
}