@article{doi:10.1302/0301-620X.59B2.873977,
author = {Kessel, L and Watson, M},
title = {The painful arc syndrome. Clinical classification as a guide to management},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {59-B},
number = {2},
pages = {166-172},
year = {1977},
doi = {10.1302/0301-620X.59B2.873977},
url = {https://doi.org/10.1302/0301-620X.59B2.873977}
}