(Q42948047)
Statements
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Proximity to the US-Mexico border: a key to explaining geographic variation in US methamphetamine, cocaine and heroin purity (English)
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James K Cunningham
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Jane Carlisle Maxwell
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Octavio Campollo
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Kathryn I Cunningham
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Lon-Mu Liu
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Hui-Lin Lin
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1 October 2010
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105
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10
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1785-1798
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Identifiers
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