| LASER | light amplification by stimulated emission of radiation |
|---|---|
| LEM | lateral eye movement; Leibovitz-Emory medium; leukocyte endogenous mediator; light emission microsco... |
| MASER | microwave amplification by stimulated emission of radiation |
| OAE | otoacoustic emission |
| OES | oral esophageal stethoscope; optical emission spectroscopy |