| RFI | radiofrequency interference; recurrence-free interval; renal failure index |
|---|---|
| RFS | relapse-free survival; renal function study; rotating frame spectroscopy |
| RGBMT | renal glomerular basement membrane thickness |
| RH | radiant heat; radiation hybrid; radiological health; reactive hyperemia; recurrent herpes; regulator... |
| RHD | radiological health data; relative hepatic dullness; renal hypertensive disease; rheumatic heart dis... |