| HLH | helix-loop-helix; hemophagocytic lymphohistiocytosis |
|---|---|
| LEEP | left end-expiratory pressure; loop electrosurgical excision procedure |
| LLETZ | large loop excision of the transformation zone |
| LOH | loop of Henle; loss of heterozygosity |
| MFV | maximal flow-volume [loop] |