| LD5 | isoenzyme of lactate dehydrogenase found in the liver and muscles |
|---|---|
| LD50 | Median Lethal Dose; 반치사량 |
| LD50 | median lethal dose |
| LD50/30 | a dose that is lethal for 50% of test subjects within 30 days |
| LDA | laser Doppler anemometry; left dorso-anterior [fetal position]; linear discriminant analysis; lymphocyte-dependent antibody |
| LDAC | low-dose cytosine arabinoside |
| LDAR | latex direct agglutination reaction |
| LDB | lamb dysentery bacillus; Legionnaires' disease bacillus |
| LDC | lymphoid dendritic cell; lysine decarboxylase |
| LDCC | lectin-dependent cellular cytotoxicity |