| LEIS | low-energy ion scattering |
|---|---|
| LET | lidocaine, epinephrine, and tetracaine [solution]; linear or low energy transfer |
| LFER | linear free-energy relationship |
| ME | macular edema; malic enzyme; manic episode; maximum effort; median eminence; medical education; medi... |
| MEE | measured energy expenditure; methylethyl ether; middle ear effusion; multilocus enzyme electrophores... |