| PSEK | progressive symmetrical erythrokeratoderma |
|---|---|
| PSP | pancreatic spasmolytic peptide; paralytic shellfish poisoning; parathyroid secretory protein; period... |
| PTPM | post-traumatic progressive myelopathy |
| RPCGN | rapidly progressive crescenting glomerulonephritis |
| RPGN | rapidly progressive glomerulonephritis |