| HPRT | Hypoxanthine Phospho-Ribosyl-Transferase |
|---|---|
| PDE | Phospho-Di-Esterase |
| PRA | 1) Plasma Renin Activity 2) Phospho-Ribosyl-Amine |
| PRPP | Phospho-Ribosyl-Pyro-Phosphate |
| PEP | peptidase; phospho(enol)pyruvate; peer evaluation program; phosphoenolpyruvate; pigmentation, edema,... |