| CCRS | Chemical Carcinogenesis Research Information System |
|---|---|
| CDER | Center for Drug Evaluation and Research; chronic granulomatous disease |
| CIREN | Crash Injury Research and Engineering Network |
| CNR | cannabinoid receptor; Center for Nursing Research; contrast-to-noise ratio; Council of Nurse Researc... |
| CPRD | Committee on Prosthetics Research and Development |