Volunteer bias in nonrandomized evaluations of the efficacy of needle-exchange programs (Q36274422)
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scientific article
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Volunteer bias in nonrandomized evaluations of the efficacy of needle-exchange programs |
scientific article |
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Volunteer bias in nonrandomized evaluations of the efficacy of needle-exchange programs (English)
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H Hagan
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J P McGough
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H Thiede
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S G Hopkins
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N S Weiss
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E R Alexander
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1 March 2000
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103-112
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Identifiers
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