| H&L | heart and lung [machine] |
|---|---|
| HLD | hepatolenticular degeneration; herniated lumbar disk; Hippel-Lindau disease; hypersensitivity lung d... |
| HLL | hypoplastic left lung |
| HLR | heart-lung resuscitation |
| HLT | heart-lung transplantation; human lipotropin; human lymphocyte transformation |