| PIF | paratoid isoelectric focusing variant protein; peak inspiratory flow; proinsulin-free; prolactin-inh... |
|---|---|
| SPF | skin protection factor; specific-pathogen free; spectrophotofluorometer; S-phase fraction; split pro... |
| TGF | T-cell growth factor; transforming growth factor; tuboglomerular feedback; tumor growth factor |
| GPF | glomerular plasma flow; granulocytosis-promoting factor |
| PAPF | platelet adhesiveness plasma factor |