| RC | an electronic circuit containing a resistor and capacitor in series; radiocarpal; reaction center; r... |
|---|---|
| RCT | radiotherapy and chemotherapy; randomized clinical trial; randomized controlled trial; registered ca... |
| RF | radial fiber; radio frequency; receptive field; regurgitant fraction; Reitland-Franklin [unit]; rela... |
| NRI | nerve root involvement; nerve root irritation; nonrespiratory infection |
| ARF | acute renal failure; acute respiratory failure; acute rheumatic fever; Addiction Research Foundation... |