(Q50868142)
Statements
Dietary assessment in the elderly: validation of a semiquantitative food frequency questionnaire. (English)
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Hofman A
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Witteman JC
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Geleijnse JM
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Klipstein-Grobusch K
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den Breeijen JH
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Goldbohm RA
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Grobbee DE
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1 August 1998
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52
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8
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588-596
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