Cognition Disorders/di [Diagnosis]
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Perls, T. T., Morris, J. N., Ooi, W. L., Lipsitz, L. A. 1993. The relationship between age, gender and cognitive performance in the very old: the effect of selective survival. Journal of the American Geriatrics Society. 41 (11) 1193-201.
Phillips, C. D., Chu, C. W., Morris, J. N., Hawes, C. 1993. Effects of cognitive impairment on the reliability of geriatric assessments in nursing homes. Journal of the American Geriatrics Society. 41 (2) 136-42.