| IPN | infantile polyarteritis nodosa; infectious pancreatic necrosis [of trout]; intern progress note; int... |
|---|---|
| MSAN | medical student's admission note |
| MSPN | medical student's progress note |
| NB | nail bed; neuro-Behc;cet [syndrome]; neuroblastoma; neurometric battery; newborn; nitrous oxide-barb... |
| nb | newborn; note well [Lat. nota bene] |