No abstract available
MeSH terms
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Aged
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Barium Sulfate / adverse effects*
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Colonic Diseases
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Contrast Media / adverse effects*
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Digestive System / diagnostic imaging*
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Female
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Humans
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Iatrogenic Disease
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Intestinal Perforation / etiology
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Pneumoperitoneum / etiology*
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Radiography
Substances
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Contrast Media
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Barium Sulfate