| ESPA | electrical stimulation-produced analgesia |
|---|---|
| ETC | electron transport chain; esophageal tracheal combitude; estimated time of conception |
| ETP | electron transport particle; entire treatment period; ephedrine, theophylline, phenobarbital; eustac... |
| ETS | educational testing service; electrical transcranial stimulation |
| FES | family environment scale; fat embolism syndrome; flame emission spectroscopy; forced expiratory spir... |