(Q34117952)
Statements
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Comparing respondent-driven sampling and targeted sampling methods of recruiting injection drug users in San Francisco (English)
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Willi McFarland
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H Fisher Raymond
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Alex H Kral
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Mohsen Malekinejad
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Jason Vaudrey
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Alexis N Martinez
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Jennifer Lorvick
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1 September 2010
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87
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839-850
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Identifiers
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