| CTM | cardiotachometer; Chlortrimeton; cricothyroid muscle; computed tomographic myelography |
|---|---|
| DRQ | discomfort relief quotient |
| RMUI | relief medication unit index |
| SRD | service-related disability; Society for the Relief of Distress; Society for the Right to Die; sodium... |
| UNDRO | United Nations Disaster Relief Organization |