| 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... |
| PPN | partial parenteral nutrition; pedunculopontine nucleus |
| PPT | parietal pleural tissue; partial prothrombin time; peak-to-peak threshold; Pfeiffer-Palm-Teller [syn... |
| PRD | partial reaction of degeneration; physician relations department; postradiation dysplasia |