| HL | hairline; hairy leukoplakia; half life; hearing level; hearing loss; heparin lock; histiocytic lymph... |
|---|---|
| HLC | heat loss center |
| ILR | interleukin receptor; irreversible loss rate |
| IWL | insensible water loss |
| LAL | left axillary line; Limulus amebocyte lysate; low air loss; lysosomal acid lipase |