@article{doi:10.1302/0301-620X.44B3.655,
author = {Thompson, Harral},
title = {THE "HALO" TRACTION APPARATUS},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {44-B},
number = {3},
pages = {655-661},
year = {1962},
doi = {10.1302/0301-620X.44B3.655},
url = {https://doi.org/10.1302/0301-620X.44B3.655}
}