| PPRF | paramedian pontine reticular formation; postpartum renal failure |
|---|---|
| PRF | partial reinforcement; patient report form; perforin; plasma recognition factor; pontine reticular f... |
| RCHF | right congestive heart failure |
| RCIRF | radiologic contrast-induced renal failure |
| RFI | radiofrequency interference; recurrence-free interval; renal failure index |