| PTPM | post-traumatic progressive myelopathy |
|---|---|
| RPCGN | rapidly progressive crescenting glomerulonephritis |
| RPGN | rapidly progressive glomerulonephritis |
| RPRF | rapidly progressive renal failure |
| SPA | salt-poor albumin; sheep pulmonary adenomatosis; sperm penetration assay; spinal progressive amyotro... |