No abstract available
MeSH terms
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Abdomen / diagnostic imaging
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Acute Disease
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Adult
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Aged
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Erythrocytes
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Female
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Gastrointestinal Hemorrhage / diagnostic imaging*
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Humans
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Injections, Intravenous
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Male
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Melena / diagnostic imaging
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Middle Aged
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Radionuclide Imaging
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Technetium / administration & dosage