No abstract available
MeSH terms
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Adult
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Behavior
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Clinical Trials as Topic
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Humans
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Lead / blood
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Lead Poisoning / complications*
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Male
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Nervous System Diseases / blood
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Nervous System Diseases / chemically induced*
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Nervous System Diseases / diagnosis
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Protoporphyrins / blood
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Psychological Tests / methods
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Zinc / blood
Substances
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Protoporphyrins
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Lead
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Zinc