| HSTF | heat shock transcription factor; human serum thymus factor |
|---|---|
| LAF | laminar air flow; Latin American female; leukocyte-activating factor; lymphocyte-activating factor |
| LF | labile factor; lactoferrin; laryngofissure; Lassa fever; latex fixation; left foot; left forearm; le... |
| LRF | latex and resorcinol formaldehyde; liver residue factor; luteinizing hormone-releasing factor |
| LRSF | lactating rat serum factor; liver regenerating serum factor |