| HTL | hamster tumor line; hearing threshold level; high-L-leucine transport; histotechnologist; human T-ce... |
|---|---|
| LDL | loudness discomfort level; low density lipoprotein |
| LEPN | effective perceived noise level |
| LOC | laxative of choice; level of consciousness; liquid organic compound; locus of control; loss of consc... |
| LOI | level of incompetence; limit of impurities |