![](https://webarchive.library.unt.edu/eot2008/20090514025627im_/http://www.cancer.gov/images/spacer.gif) |
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![](https://webarchive.library.unt.edu/eot2008/20090514025627im_/http://www.cancer.gov/images/spacer.gif)
| A substance that is being studied in the treatment of cancer. |
Previous Definitions: | irritable colon, ischemia, iseganan hydrochloride, ISIS 2503, ISIS 3521 | Next Definitions: | islet cell, islet cell carcinoma, islet cell tumor, islet of Langerhans cell, isoflavone |
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![](https://webarchive.library.unt.edu/eot2008/20090514025627im_/http://www.cancer.gov/images/spacer.gif) |