@article{doi:10.1302/0301-620X.75B5.8376453,
author = {Postacchini, F and Cinotti, G and Gumina, S},
title = {The knee flexion test: a new test for lumbosacral root tension},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {75-B},
number = {5},
pages = {834-835},
year = {1993},
doi = {10.1302/0301-620X.75B5.8376453},
url = {https://doi.org/10.1302/0301-620X.75B5.8376453}
}