| Anti-ENA | Anti-Extractable Nuclear Antigens |
|---|---|
| AIEP | amount of insulin extractable from pancreas |
| BEI | back-scattered electron imaging; biological exposure indexes; butanol-extractable iodine |
| CEF | centrifugation extractable fluid; chick embryo fibroblast; constant electric field |
| ENA | epithelial neutrophil-activating [protein]; extractable nuclear antigen |