| ECA | electrical control activity; electrocardioanalyzer; endothelial cytotoxic activity; enterobacterial ... |
|---|---|
| EIT | electrical impedance tomography; erythroid iron turnover |
| EMS | early morning specimen; early morning stiffness; electrical muscle stimulation; Electronic Medical S... |
| ERA | electrical response activity; electroencephalic response audiometry; Electroshock Research Associati... |
| ESB | electrical stimulation of the brain; enhanced skill building [program]; esterase B |