(Q50736401)
Statements
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External validity: we need to do more. (English)
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Judith K Ockene
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Russell E Glasgow
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Lawrence W Green
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Lisa M Klesges
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David B Abrams
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Edwin B Fisher
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Michael G Goldstein
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Laura L Hayman
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C Tracy Orleans
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1 April 2006
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31
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2
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105-108
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Identifiers
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