| CORA | conditioned orientation reflex audiometry |
|---|---|
| CRC | cardiovascular reflex conditioning; clinical research center; colorectal carcinoma; concentrated red... |
| CRCS | cardiovascular reflex conditioning system |
| DRR | digitally reconstructed radiograph; Division of Research Resources [NIH]; dorsal root reflex |
| DTR | deep tendon reflex; dietetic technician registered |