@article{doi:10.1302/0301-620X.49B4.644,
author = {Lazansky, Mark G.},
title = {A METHOD FOR GRADING HIPS},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {49-B},
number = {4},
pages = {644-651},
year = {1967},
doi = {10.1302/0301-620X.49B4.644},
url = {https://doi.org/10.1302/0301-620X.49B4.644}
}