(Q40791212)
Statements
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Challenges faced in recruiting patients from primary care practices into a physical activity intervention trial. Activity Counseling Trial Research Group (English)
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Margitić S
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Sevick MA
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Miller M
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Albright C
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Banton J
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Callahan K
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Garcia M
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Gibbons L
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Levine BJ
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Anderson R
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Ettinger W
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1 October 1999
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Identifiers
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