| PO2, | PO2, pO2 partial pressure of oxygen |
|---|---|
| PORP | partial ossicular replacement prosthesis |
| PP | diphosphate group; emphysema [pink puffers]; near point of accommodation [Lat. punctum proximum]; pa... |
| PPD | packs per day; paraphenylenediamine; percussion and postural drainage; permanent partial disability;... |
| PPI | partial permanent impairment; patient package insert; present pain intensity; purified porcine insul... |