| EBNA | Epstein-Barr virus-associated nuclear antigen |
|---|---|
| ENA | epithelial neutrophil-activating [protein]; extractable nuclear antigen |
| ENDOR | electron nuclear double resonance |
| HIDA Scan | hepato-iminodiacetic acid (lidofenin) [nuclear medicine scan] |
| HNF | hepatocyte nuclear factor |