(Q41568261)
Statements
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A long-term longitudinal study of intellectual ability of older adults: the matter of selective subject attrition (English)
A Long-Term Longitudinal Study of Intellectual Ability of Older Adults: The Matter of Selective Subject Attrition (English)
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I. C. Siegler
1 March 1979
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34
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242-245
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Identifiers
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