%0 Journal Article %A B Joseph %T Serum immunoglobulin in Perthes' disease %D 1991 %J The Journal of Bone & Joint Surgery British Volume %P 509-510 %V 73-B %N 3 %R 10.1302/0301-620X.73B3.1670460 %U https://doi.org/10.1302/0301-620X.73B3.1670460 %K