%0 Journal Article %A D. S. Muckle %T The problem knee. Diagnosis and treatment in the younger patient %D 1986 %R 10.1136/bjsm.20.4.190-a %J British Journal of Sports Medicine %P 190-190 %V 20 %N 4 %U https://bjsm.bmj.com/content/bjsports/20/4/190.2.full.pdf