| PND | paroxysmal nocturnal dyspnea; partial neck dissection; postnasal drainage; postnasal drip; postnatal... |
|---|---|
| PNM | perinatal mortality; peripheral dysostosis, nasal hypoplasia, and mental retardation [syndrome]; per... |
| PNS | paraneoplastic syndrome; parasympathetic nervous system; partial nonprogressive stroke; peripheral n... |
| SPONASTRIME | spondylar and nasal alterations with striated metaphyses |
| NSD | Nasal septal deviation |