The Relationship of Scientific Objectives to Population Selection and Attrition in Longitudinal Studies The Case of the Normative Aging Study
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1996 ◽
Vol 25
(3)
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pp. 528-536
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1990 ◽
Vol 141
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pp. 589-594
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2003 ◽
Vol 111
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pp. 335-341
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1996 ◽
Vol 8
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pp. 490
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2002 ◽
Vol 57
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pp. 466-472
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2003 ◽
Vol 45
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pp. 1144-1151
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