| LET | lidocaine, epinephrine, and tetracaine [solution]; linear or low energy transfer |
|---|---|
| lf | lactoferrin; low frequency |
| LFA | left femoral artery; left frontal craniotomy; left fronto-anterior [fetal position]; leukocyte funct... |
| LFC | living female child; low fat and cholesterol [diet] |
| LFHL | low-frequency hearing loss |