%0 Journal Article %A CF Bos %A JL Bloem %A RM Bloem %T Sequential magnetic resonance imaging in Perthes' disease %D 1991 %J The Journal of Bone & Joint Surgery British Volume %P 219-224 %V 73-B %N 2 %R 10.1302/0301-620X.73B2.2005143 %U https://doi.org/10.1302/0301-620X.73B2.2005143 %K