| IASL | International Association for Study of the Liver |
|---|---|
| ILS | idiopathic leucine sensitivity; idiopathic lymphadenopathy syndrome; increase in life span; infrared... |
| IPRL | isolated perfused rat liver or lung |
| KLS | kidneys, liver, and spleen; Kreuzbein lipomatous syndrome |
| LADH | lactic acid dehydrogenase; liver alcohol dehydrogenase |