Dijkstra Baukje, Kamsma Yvo, Zijlstra Wiebren
University Medical Center Groningen, Center for Human Movement Sciences, University of Groningen, A. Deusinglaan 1, PO Box 196, 9700 AD Groningen, The Netherlands.
Age Ageing. 2010 Mar;39(2):259-62. doi: 10.1093/ageing/afp249. Epub 2010 Jan 18.