| ERA | electrical response activity; electroencephalic response audiometry; Electroshock Research Associati... |
|---|---|
| RR | radiation reaction; radiation response; rate ratio; rational recovery [group]; recovery room; relati... |
| EDR | early diastolic relaxation; effective direct radiation; electrodermal response |
| MRT | magnetic resonance tomography; maximum relaxation time; median range score; median reaction time; me... |
| RRI | recurrent respiratory infection; reflex relaxation index; relative response index |