| EPT | early pregnancy test |
|---|---|
| ERP | early receptor potential; effective refractory period; elodoisin-related peptide; endoscopic retrogr... |
| ESP | early systolic paradox; echo spacing; effective sensory projection; effective systolic pressure; end... |
| ESQ | early signs questionnaire |
| HBeAg, HBeAg, | HBEAG hepatitis B early [antigen] |