| RTA | ray tracing algorithm; renal tubular acidosis; reverse transcriptase assay; road traffic accident |
|---|---|
| RVRA | renal vein rein activity; renal venous renin assay |
| SCCA | single-cell cytotoxicity assay |
| SFA | saturated fatty acid; seminal fluid assay; serum folic acid; stimulated fibrinolytic activity; super... |
| SLA | left sacroanterior [fetal position] [Lat. sacrolaeva anterior]; single-cell liquid cytotoxic assay; ... |