@article{doi:10.1302/0301-620X.50B4.720,
author = {Ring, P. A.},
title = {COMPLETE REPLACEMENT ARTHROPLASTY OF THE HIP BY THE RING PROSTHESIS},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {50-B},
number = {4},
pages = {720-731},
year = {1968},
doi = {10.1302/0301-620X.50B4.720},
url = {https://doi.org/10.1302/0301-620X.50B4.720}
}