| IRBP | intestinal retinol-binding protein |
|---|---|
| IREBP | iron-responsive element binding protein |
| LBP | lipopolysaccharide-binding protein; low back pain; low blood pressure; lumbar back pain |
| LEF | leukokinesis-enhancing factor; lupus erythematosus factor; lymphoid-enhanced binding factor |
| LGALS | lecithin, galactoside-binding, soluble |