@article{doi:10.1302/0301-620X.38B2.532,
author = {Harrold, A. J.},
title = {ALKAPTONURIC ARTHRITIS},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {38-B},
number = {2},
pages = {532-538},
year = {1956},
doi = {10.1302/0301-620X.38B2.532},
url = {https://doi.org/10.1302/0301-620X.38B2.532}
}