No abstract available
MeSH terms
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Aged
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Chelating Agents / adverse effects*
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Constriction, Pathologic
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Humans
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Ileum / drug effects*
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Ileum / pathology*
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Ileus / etiology*
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Male
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Polystyrenes / adverse effects*
Substances
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Chelating Agents
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Polystyrenes
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polystyrene sulfonic acid