Influence of individually estimated portion size data on the validity of a semiquantitative food frequency questionnaire (Q30940087)
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(P31) (Q13442814)
(P50) (Q28356235)
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(P304) 770-777
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(P577) Saturday, August 1, 1992
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(P1476) "Influence of individually estimated portion size data on the validity of a semiquantitative food frequency questionnaire" (language: en)
(P2093) Haraldsdóttir J
Stripp C
Ewertz M
Jensen OM
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