“Physical Activity and Different Concepts of Fall Risk Estimation in Older People–Results of the ActiFE-Ulm Study,” by Jochen Klenk, Ngaire Kerse, Kilian Rapp, Thorsten Nikolaus, Clemens Becker, Dietrich Rothenbacher, Richard Peter, and Michael Dieter Denkinger, the ActiFE Study Group (PLoS ONE 10(6): e0129098. doi:10.1371/journal.pone.0129098, XML, HTML, and .pdf format, 11p.).
journals.plos.org/plosone/article?id=10.1371/journal.pone.0129098
