No abstract available
MeSH terms
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Amides / pharmacology
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Atropine / pharmacology
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Cineradiography
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Contrast Media / pharmacology
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Duodenum / drug effects*
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Duodenum / physiology*
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Humans
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Neostigmine / pharmacology
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Ultrasonics*
Substances
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Amides
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Contrast Media
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Neostigmine
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Atropine