No abstract available
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Controlled Clinical Trials as Topic / methods*
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Double-Blind Method
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Humans
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Pharmaceutical Preparations / administration & dosage
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Placebo Effect*
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Placebos / administration & dosage*
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Research Subjects / psychology*
Substances
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Pharmaceutical Preparations
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Placebos