TY  - JOUR
AU  - Jeffery, RS
DO  - doi:10.1302/0301-620X.74B2.1544983
UR  - https://doi.org/10.1302/0301-620X.74B2.1544983
TI  - Survivorship analysis and confidence limits
T2  - The Journal of Bone & Joint Surgery British Volume
VL  - 74-B
IS  - 2
PY  - 1992
SP  - 320
EP  - 321
ER  -