| DR | degeneration reaction; delivery room; deoxyribose; diabetic retinopathy; diagnostic radiology; digit... |
|---|---|
| DRG | diagnosis-related group; Division of Research Grants [NIH}; dorsal respiratory group; dorsal root ga... |
| C1 | first cervical nerve; first cervical vertebra; first component of complement |
| C2 | second cervical nerve; second cervical vertebra; second component of complement |
| C3 | third cervical nerve; third cervical vertebra; third component of complement |