No abstract available
Publication types
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Clinical Trial
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Randomized Controlled Trial
MeSH terms
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Blood Pressure / drug effects
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Central Nervous System Stimulants / pharmacology
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Education, Medical*
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Heart Rate / drug effects
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Humans
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Hypnotics and Sedatives / pharmacology
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Placebos* / administration & dosage
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Psychological Tests
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Students, Medical
Substances
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Central Nervous System Stimulants
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Hypnotics and Sedatives
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Placebos