No abstract available
MeSH terms
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Adult
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Anxiety
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Clinical Trials as Topic
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Conditioning, Psychological*
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Cues
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Electroshock
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Galvanic Skin Response*
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Humans
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Morphine / pharmacology*
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Noise
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Pentobarbital / pharmacology*
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Placebos
Substances
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Placebos
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Morphine
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Pentobarbital