| ES | ejection sound; elastic stocking; electrical stimulus, electrical stimulation; electroshock; emergen... |
|---|---|
| CREST Syndrome | 1. Calcinosis cutis 2. Raynaud's phenomenon 3. Esophageal ... |
| GER | Gastro-Esophageal Reflux |
| GERD | Gastro-Esophageal Reflux Disease |
| LES | Lower Esophageal Sphincter; 하부 식도 괄약근 |