| 摘要 |
An iodinated polymer which is water-insoluble and substantially non-water-swellable is disclosed as a useful contrast agent for a radiographic contrast composition and a surgical element. The polymer has an iodine content in excess of 35 percent by weight, preferably in excess of 50 percent by weight. Radiographic contrast compositions, elements, and imaging methods which employ this iodinated polymer as a contrast agent are disclosed.
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