%0 Journal Article %A DA Macdonald %A JF Hutton %A IG Kelly %T Maximal isometric patellofemoral contact force in patients with anterior knee pain %D 1989 %J The Journal of Bone & Joint Surgery British Volume %P 296-299 %V 71-B %N 2 %R 10.1302/0301-620X.71B2.2925750 %U https://doi.org/10.1302/0301-620X.71B2.2925750 %K