| PIF | paratoid isoelectric focusing variant protein; peak inspiratory flow; proinsulin-free; prolactin-inh... |
|---|---|
| RFR | rapid fluid resuscitation; refraction |
| RTF | resistance transfer factor; respiratory tract fluid |
| SACSF | subarachnoid cerebrospinal fluid |
| SFA | saturated fatty acid; seminal fluid assay; serum folic acid; stimulated fibrinolytic activity; super... |