| RVRA | renal vein rein activity; renal venous renin assay |
|---|---|
| RVRC | renal vein renin concentration |
| SGR | Sachs-Georgi reaction; Shwartzman generalized reaction; skin galvanic reflex; submandibular gland re... |
| SRA | segmental renal artery; serum renin activity; spleen repopulating activity |
| TRA | total renin activity; tumor-resistant antigen |