Kerkum, Y. L., Buizer, A. I., van den Noort, J. C., Becher, J. G., Harlaar, J., & Brehm, M. (2015). The Effects of Varying Ankle Foot Orthosis Stiffness on Gait in Children with Spastic Cerebral Palsy Who Walk with Excessive Knee Flexion. PLoS One.

Kerkum, Yvette L., Annemieke I. Buizer, Josien C. van den Noort, Jules G. Becher, Jaap Harlaar, and Merel-Anne Brehm. "The Effects of Varying Ankle Foot Orthosis Stiffness On Gait in Children With Spastic Cerebral Palsy Who Walk With Excessive Knee Flexion." PLoS One 2015.

Kerkum, Yvette L., et al. "The Effects of Varying Ankle Foot Orthosis Stiffness On Gait in Children With Spastic Cerebral Palsy Who Walk With Excessive Knee Flexion." PLoS One 2015.