TY  - JOUR
AU  - Nunn, D
DO  - doi:10.1302/0301-620X.69B5.3680336
UR  - https://doi.org/10.1302/0301-620X.69B5.3680336
TI  - The Ring uncemented polyethylene cup in the abnormal acetabulum
T2  - The Journal of Bone & Joint Surgery British Volume
VL  - 69-B
IS  - 5
PY  - 1987
SP  - 756
EP  - 760
ER  -