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2. Neurologic signs in uncomplicated aging (senescence);Jenkyn;Semin Neurol,1981
3. A fall risk index for elderly patients based on number of chronic disabilities;Tinetti;Am J Med,1986
4. Walking patterns of normal men;Murray;J Bone Joint Surg,1964
5. Locomotion patterns in elderly women;Findley;Arch Phys Med Rehabil,1969