![](https://webarchive.library.unt.edu/eot2008/20081101195614im_/http://www.nci.nih.gov/images/spacer.gif) |
|
![](https://webarchive.library.unt.edu/eot2008/20081101195614im_/http://www.nci.nih.gov/images/spacer.gif)
| Difficulty in going to sleep or getting enough sleep. |
Previous Definitions: | Innohep, inoperable, inositol, inositol hexaphosphate, INS316 | Next Definitions: | instillation, Institutional Review Board, insulin, intensification therapy, intensity-modulated radiation therapy |
|
![](https://webarchive.library.unt.edu/eot2008/20081101195614im_/http://www.nci.nih.gov/images/spacer.gif) |