TY  - JOUR
AU  - Harper, GD
AU  - Bull, T
AU  - Cobb, AG
AU  - Bentley, G
DO  - doi:10.1302/0301-620X.77B4.7615597
UR  - https://doi.org/10.1302/0301-620X.77B4.7615597
TI  - Failure of the Ring polyethylene uncemented acetabular cup
T2  - The Journal of Bone & Joint Surgery British Volume
VL  - 77-B
IS  - 4
PY  - 1995
SP  - 557
EP  - 561
ER  -