(Q35648749)
Statements
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Surveillance of HIV risk and prevention behaviors of men who have sex with men--a national application of venue-based, time-space sampling (English)
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Patrick S Sullivan
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Teresa Finlayson
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Duncan A MacKellar
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Kathleen M Gallagher
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Travis Sanchez
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Amy Lansky
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1 January 2007
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122 Suppl 1
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39-47
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