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pro vyhledávání: '"Wilma J. Canada"'
Autor:
Wilma J. Canada
Publikováno v:
Radiology. 64:867-873
At times in examination of the gastrol-intestinal tract the need arises for a contrast material other than a particulate substance such as barium sulfate. If barium enters obstructed bowel or an abscess cavity from which it cannot be removed, it may