Influence of spinal sagittal alignment, body balance, muscle strength, and physical ability on falling of middle-aged and elderly males
http://www.ncbi.nlm.nih.gov/pubmed/23443680
Eur Spine J. 2013 Jun;22(6):1346-53. doi: 10.1007/s00586-013-2721-9. Epub 2013 Feb 27.
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