![](https://webarchive.library.unt.edu/eot2008/20081103053352im_/http://www.cancer.gov/images/spacer.gif) |
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![](https://webarchive.library.unt.edu/eot2008/20081103053352im_/http://www.cancer.gov/images/spacer.gif)
| A substance being studied for its ability to prevent damage to normal tissue caused by radiation therapy. It is a type of antioxidant. |
Previous Definitions: | idoxifene, idoxuridine, iFOBT, ifosfamide, IgG-RFT5-dgA | Next Definitions: | IL-1, IL-1-alfa, IL-1-alpha, IL-11, IL-12 |
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![](https://webarchive.library.unt.edu/eot2008/20081103053352im_/http://www.cancer.gov/images/spacer.gif) |