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3. American Academy of Orthopaedic Surgeons. Guidelines for preventing falls. Available at: http://orthoinfo.aaos.org/topic.cfm?topic=A00135. Accessed July 15, 2015.
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5. Quantifying the magnitude of risk for balance impairment on falls in community-dwelling older adults: A systematic review and meta-analysis;Muir;J Clin Epidemiol,2010