| PNP | pancreatic polypeptide; para-nitrophenol; peak negative pressure; pediatric nurse practitioner; peri... |
|---|---|
| PPID | peak pain intensity difference [score] |
| PPNA | peak phrenic nerve activity |
| PSF | peak scatter factor; peptide supply factor; point spread function; pseudosarcomatous fasciitis |
| PSG | peak systolic gradient; phosphate, saline, and glucose; polysomnogram; presystolic gallop; pregnancy... |