(Q51708035)
Statements
Moderate to vigorous physical activity and risk of upper-respiratory tract infection. (English)
1 reference
James R Hebert
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Ira S Ockene
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Milagros C Rosal
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Charles E Matthews
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Patty S Freedson
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Philip A Merriam
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1 August 2002
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34
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8
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1242-1248
1 reference