(Q34421776)
Statements
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Web-based screening and brief intervention for poly-drug use among teenagers: study protocol of a multicentre two-arm randomized controlled trial (English)
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Nicolas Arnaud
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Sonja Bröning
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Magdalena Drechsel
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Rainer Thomasius
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Christiane Baldus
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26 September 2012
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12
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826
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26 September 2012
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Identifiers
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