| EEMG | evoked electromyogram |
|---|---|
| EESG | evoked electrospinogram |
| ER | efficiency ratio; epigastric region; ejection rate; electroresection; emergency room; endoplasmic re... |
| ERA | electrical response activity; electroencephalic response audiometry; Electroshock Research Associati... |
| ERD | evoked response detector |