| KNRK | Kirsten sarcoma virus in normal rat kidney |
|---|---|
| LE | lactate extraction; left ear; left eye; leukocyte elastase; leukoerythrogenic; live embryo; Long Eva... |
| LEW | Lewis [rat] |
| LRSF | lactating rat serum factor; liver regenerating serum factor |
| LTW | Leydig-cell tumor in Wistar rat |