| PPI | partial permanent impairment; patient package insert; present pain intensity; purified porcine insul... |
|---|---|
| PPID | peak pain intensity difference [score] |
| PRI(S) | pain rating intensity score |
| RIM | radioisotope medicine; recurrent induced malaria; relative-intensity measure |
| SI | International System of Units [Fr. le Systeme International d'Unites]; sacroiliac; saline infusion; ... |