| PPI | Patient Package Insert |
|---|---|
| PPI | Peptidyl prolyl cis-trans-isomerase |
| PPI | Phosphoinositide |
| PPI | Polyphosphoinositides |
| PPI | Pre-pulse inhibition |
| PPI | Present Pain Intensity |
| PPI | Proton Pump Inhibitor |
| PPI | Purified Pork Insulin |
| PPi | Pyrophosphate |
| PPi-PFK | Pyrophosphate-dependent phosphofructokinase |