| HL | hairline; hairy leukoplakia; half life; hearing level; hearing loss; heparin lock; histiocytic lymph... |
|---|---|
| HL7 | health level 7 |
| HLQ | high-level question |
| HTL | hamster tumor line; hearing threshold level; high-L-leucine transport; histotechnologist; human T-ce... |
| LDL | loudness discomfort level; low density lipoprotein |