| PRVEP | pattern reversal visual evoked potential |
|---|---|
| PSP | pancreatic spasmolytic peptide; paralytic shellfish poisoning; parathyroid secretory protein; period... |
| PSVER | pattern shift visual evoked response |
| P-VEP | pattern visual evoked potential |
| RIP | radioimmunoprecipitation; reflex inhibiting pattern; respiratory inductance plethysmography |