| NASD | National Association of Schools of Dance |
|---|---|
| BHL | bilateral hilar lymphadenopathy; biological half-life |
| HLN | hilar lymph node; hyperplastic liver nodules |
| HN | head and neck; head nurse; hemagglutinin neuraminidase; hematemesis neonatorum; hemorrhage of newbor... |
| RHLN | right hilar lymph node |