@article{doi:10.1302/0301-620X.41B4.689,
author = {Leffmann, Rudolf},
title = {CONGENITAL DYSPLASLA OF THE HIP },
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {41-B},
number = {4},
pages = {689-701},
year = {1959},
doi = {10.1302/0301-620X.41B4.689},
url = {https://doi.org/10.1302/0301-620X.41B4.689}
}