(Q41501749)
Statements
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The 2 x 2 factorial design: its application to a randomized trial of aspirin and carotene in U.S. physicians (English)
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Willett W
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Hennekens CH
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Stampfer MJ
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Buring JE
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Rosner B
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Eberlein K
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1 April 1985
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4
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2
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111-116
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Identifiers
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