%0 Journal Article %A R. HARGROVE %T A comparison of polyethylene wear in hips with cobalt-chrome or zirconia heads %D 2002 %J The Journal of Bone & Joint Surgery British Volume %P 463-463 %V 84-B %N 3 %R 10.1302/0301-620X.84B3.0840463b %U https://doi.org/10.1302/0301-620X.84B3.0840463b %K