CHANGES IN ASSOCIATIVE BEHAVIOR DURING LATER YEARS OF LIFE:  A CROSS-SECTIONAL ANALYSIS.
RIEGEL
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KF
RIEGEL
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RM
D000375:Aging; D001519:Behavior; D003430:Cross-Sectional Studies; D005853:Geriatrics; D006801:Humans; D011581:Psychological Tests
AGING; BEHAVIOR; GERIATRICS; PSYCHOLOGICAL TESTS