| NOT | nocturnal oxygen therapy |
|---|---|
| NOTT | nocturnal oxygen therapy trial |
| NPT | neoprecipitin test; nocturnal penile tumescence; normal pressure and temperature; sodium phosphate t... |
| PND | paroxysmal nocturnal dyspnea; partial neck dissection; postnasal drainage; postnasal drip; postnatal... |
| PNP | pancreatic polypeptide; para-nitrophenol; peak negative pressure; pediatric nurse practitioner; peri... |