| ER | efficiency ratio; epigastric region; ejection rate; electroresection; emergency room; endoplasmic re... |
|---|---|
| AER | abduction/external rotation; acoustic evoked response; acute exertional rhabdomyolysis; agranular en... |
| EAST | elevated-arm stress test; Emory angioplasty vs. surgery trial; external rotation, abduction stress t... |
| ERE | external rotation in extension |
| ERF | Education and Research Foundation; external rotation in flexion; Eye Research Foundation |