@article{doi:10.1302/0301-620X.61B4.500747,
author = {Stanley, JK and Owen, R and Koff, S},
title = {Congenital sacral anomalies},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {61-B},
number = {4},
pages = {401-409},
year = {1979},
doi = {10.1302/0301-620X.61B4.500747},
url = {https://doi.org/10.1302/0301-620X.61B4.500747}
}