No abstract available
Publication types
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Clinical Trial
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Comparative Study
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Randomized Controlled Trial
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Research Support, Non-U.S. Gov't
MeSH terms
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Central Nervous System Stimulants / analysis*
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Cross-Over Studies
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Double-Blind Method
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Humans
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N-Methyl-3,4-methylenedioxyamphetamine / analysis*
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Saliva / chemistry*
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Substance Abuse Detection / instrumentation
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Substance Abuse Detection / methods*
Substances
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Central Nervous System Stimulants
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N-Methyl-3,4-methylenedioxyamphetamine