@article{doi:10.1302/0301-620X.71B5.2584263,
author = {Copeland, SA and Barrett, DS},
title = {A new physical sign in shoulder arthroscopy},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {71-B},
number = {5},
pages = {860-860},
year = {1989},
doi = {10.1302/0301-620X.71B5.2584263},
url = {https://doi.org/10.1302/0301-620X.71B5.2584263}
}