No abstract available
Publication types
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Historical Article
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Comment
MeSH terms
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Barium Sulfate / history*
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Colonic Diseases / diagnosis
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Colonic Diseases / history
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Colonic Polyps / diagnostic imaging*
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Colonic Polyps / history*
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Contrast Media / history
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Enema / history*
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Evidence-Based Medicine
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History, 20th Century
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History, 21st Century
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Humans
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Intestinal Polyps / diagnostic imaging*
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Intestinal Polyps / history*
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Radiography
Substances
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Contrast Media
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Barium Sulfate