| BOR | basal optic root; before time of operation; bowels open regularly; branchio-oto-renal [syndrome] |
|---|---|
| BRS | behavior rating scale; battered root syndrome; Bibliographic Retrieval Services; British Roentgen So... |
| DNR | daunorubicin; do not resuscitate; dorsal nerve root |
| DR | degeneration reaction; delivery room; deoxyribose; diabetic retinopathy; diagnostic radiology; digit... |
| dr | dorsal root; drain; dram; dressing |