| EA | early antigen; educational age; egg albumin; electric affinity; electrical activity; electroacupunct... |
|---|---|
| EN | endoscopy; enrolled nurse; enteral nutrition; epidemic nephritis; erythema nodosum |
| ENS | enteral nutritional support; ethylnorsuprarenin |
| HEN | home enteral nutrition |
| SPEAR | selective parenteral and enteral anti-sepsis regimen |