| HN | head and neck; head nurse; hemagglutinin neuraminidase; hematemesis neonatorum; hemorrhage of newbor... |
|---|---|
| MA-184 | newborn human foreskin cells |
| NB | nail bed; neuro-Behc;cet [syndrome]; neuroblastoma; neurometric battery; newborn; nitrous oxide-barb... |
| nb | newborn; note well [Lat. nota bene] |
| NBICU | newborn intensive care unit |