Leo A van Eykern

Reproducibility and responsiveness of a noninvasive EMG technique of the respiratory muscles in COPD patients and in healthy subjects.

L. V. van Eykern, G. Koëter, P. Wijkstra, 2004, Journal of applied physiology.

Effect of Seat Surface Inclination on Postural Control During Reaching in Preterm Children With Cerebral Palsy

Bert Otten, Mijna Hadders-Algra, M. Hadders‐Algra, 2007, Physical Therapy.