| ER | efficiency ratio; epigastric region; ejection rate; electroresection; emergency room; endoplasmic re... |
|---|---|
| ERM | electrochemical relaxation method; extended radical mastectomy |
| Op, op. | Operation; 수술 |
| VSD | Ventricular Septal Defect ? Types of VSD 1. Subpulmonic(=... |
| BI | background interval; bacterial or bactericidal index; base-in [prism]; basilar impression; Billroth ... |