(Q52110540)
Statements
How evidence based are recruitment strategies to randomized controlled trials in primary care? Experience from seven studies. (English)
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R Foy
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J Parry
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A Duggan
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S Wilson
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N Th Lewin-Van Den Broek
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A Lassen
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L Vickers
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P Myres
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1 February 2003
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20
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1
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83-92
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Identifiers
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