| AES | acetone-extracted serum; American Electroencephalographic Society; American Encephalographic Society... |
|---|---|
| ATEM | analytic transmission electron microscopy |
| BEI | back-scattered electron imaging; biological exposure indexes; butanol-extractable iodine |
| BeV, Bev | billion electron volts |
| CEM | computerized electroencephalographic map; conventional transmission electron microscope |