| HTLA | high-titer, low acidity; human T-lymphocyte antigen |
|---|---|
| HVLP | high volume, low pressure |
| ILB | infant, low birth [weight]; initial lung burden |
| ILBW | infant, low birth weight |
| LA | lactic acid; large amount; laser angioplasty; late abortion; late antigen; latex agglutination; left... |