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Public Health, Biostatistics, Clinical Classification Systems +15

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Medicine, Geriatric Medicine, Rehabilitation Medicine +17

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Sidney Katz · PubMed · 1963 · 12.2K citations

Education, Rehabilitation Medicine, Aging +16

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Jerome A. Yesavage, Javaid I. Sheikh · Clinical Gerontologist · 1986 · 7.2K citations

Medicine, Geriatric Medicine, Psychiatry +11