Portegijs Erja, Viljanen Anne, Rantakokko Merja, Rantanen Taina
Gerontology Research Center and Department of Health Sciences, University of Jyvaskyla, Jyväskylä, Finland
Gerontology Research Center and Department of Health Sciences, University of Jyvaskyla, Jyväskylä, Finland.
Clin Rehabil. 2016 Jan;30(1):98-100. doi: 10.1177/0269215515615308. Epub 2015 Nov 6.