| MPPN | malignant persistent positional nystagmus |
|---|---|
| PAN | periarteritis nodosa; periodic alternating nystagmus; peroxyacylnitrate; polyarteritis nodosa; posit... |
| PN | papillary necrosis; parenteral nutrition; penicillin; perceived noise; percussion note; periarteriti... |
| BNIST | National Bureau of Scientific Information [Fr. Bureau National d'Information Scientifique] |
| CIS | carcinoma in situ; catheter-induced spasm; central inhibitory state; Chemical Information Service; c... |