| PIF | paratoid isoelectric focusing variant protein; peak inspiratory flow; proinsulin-free; prolactin-inh... |
|---|---|
| PP1 | free pyrophosphate |
| RAFW | right atrial free wall |
| RFI | radiofrequency interference; recurrence-free interval; renal failure index |
| RFS | relapse-free survival; renal function study; rotating frame spectroscopy |