| 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; ... |
| SPA | salt-poor albumin; sheep pulmonary adenomatosis; sperm penetration assay; spinal progressive amyotro... |