| PND | paroxysmal nocturnal dyspnea; partial neck dissection; postnasal drainage; postnasal drip; postnatal... |
|---|---|
| PNH | paroxysmal nocturnal hemoglobinuria; polynuclear hydrocarbon |
| PNP | pancreatic polypeptide; para-nitrophenol; peak negative pressure; pediatric nurse practitioner; peri... |