%0 Journal Article %A D Nunn %T The Ring uncemented polyethylene cup in the abnormal acetabulum %D 1987 %J The Journal of Bone & Joint Surgery British Volume %P 756-760 %V 69-B %N 5 %R 10.1302/0301-620X.69B5.3680336 %U https://doi.org/10.1302/0301-620X.69B5.3680336 %K