| RF | radial fiber; radio frequency; receptive field; regurgitant fraction; Reitland-Franklin [unit]; rela... |
|---|---|
| RVF | renal vascular failure; Rift Valley fever; right ventricular failure; right visual field |
| CHF | chick embryo fibroblast; chronic heart failure; congenital hepatic fibrosis; congestive heart failur... |
| SRF | severe renal failure; skin reactive factor; somatotropin-releasing factor; split renal function; sub... |
| STANDOUT | soft thresholding and depth cueing of unspecified techniques |