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A Comparison of Upper Gastrointestinal Endoscopy and Radiography
Martin, Thomas R., Vennes, Jack A., Silvis, Stephen E., Ansel, Howard J.Volume:
2
Journal:
Journal of Clinical Gastroenterology
DOI:
10.1097/00004836-198003000-00004
Date:
March, 1980
File:
PDF, 320 KB
1980