No abstract available
MeSH terms
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Animals
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Bone and Bones*
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Colon, Sigmoid / injuries*
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Colon, Sigmoid / surgery
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Endoscopy, Gastrointestinal / methods
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Fishes*
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Foreign Bodies / diagnosis*
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Foreign Bodies / surgery
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Humans
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Intestinal Perforation / diagnosis*
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Intestinal Perforation / surgery
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Male
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Middle Aged