| ras | retrovirus-associated DNA sequence |
|---|---|
| RAV | Rous-associated virus |
| SAF | scrapie-associated fibrils; self-articulating femoral; serum accelerator factor; simultaneous audito... |
| SAP | sensory action potential; serum acid phosphatase; serum alkaline phosphatase; serum amyloid P; situs... |
| SHAA | serum hepatitis associated antigen; Society of Hearing Aid Audiologists |