| PNP | pancreatic polypeptide; para-nitrophenol; peak negative pressure; pediatric nurse practitioner; peri... |
|---|---|
| PNPase | polynucleotide phosphorylase |
| TPase | thymidine phosphorylase |
| UP | parallax unsharpness; ulcerative proctitis; ultrahigh purity; unipolar; upright posture; ureteropelv... |
| UPase | uridine phosphorylase |