| PRVEP | pattern reversal visual evoked potential |
|---|---|
| PSP | pancreatic spasmolytic peptide; paralytic shellfish poisoning; parathyroid secretory protein; period... |
| PTP | pancreatic thread protein; percutaneous transhepatic portography; physical treatment planning; poste... |
| P-VEP | pattern visual evoked potential |
| PYLL | potential years of life lost |