| Leukemia, Myelogenous, Chronic, BCR-ABL Positive, drug therapy | Not Available | 1 | 2 | Details |
| Leukocyte Elastase, antagonists & inhibitors | Not Available | 4 | 5 | Details |
| Leukocyte Growth Factor | Not Available | 5 | 11 | Details |
| Leukocytes | White blood cells. These include granular leukocytes (BASOPHILS; EOSINOPHILS; and NEUTR... more | 0 | 0 | Details |
| Leukotriene Antagonists | A class of drugs designed to prevent leukotriene synthesis or activity by blocking bind... more | 8 | 47 | Details |
| Leukotriene B4, antagonists & inhibitors | Not Available | 1 | 3 | Details |
| Leukotriene Modifiers | Not Available | 2 | 18 | Details |
| Leukotrienes | A family of biologically active compounds derived from arachidonic acid by oxidative me... more | 3 | 10 | Details |
| Levamisole, analogs & derivatives | Not Available | 1 | 7 | Details |
| Levodopa, antagonists & inhibitors | Not Available | 1 | 11 | Details |
| Levulinic Acids | Keto acids that are derivatives of 4-oxopentanoic acids (levulinic acid). | 3 | 5 | Details |
| Lewis X Antigen | Not Available | 1 | 0 | Details |
| Ligands | Not Available | 12 | 28 | Details |
| Lignans | A class of dibenzylbutane derivatives which occurs in higher plants and in fluids (bile... more | 5 | 13 | Details |
| Lilianae | A superorder of flowering plants (Angiosperms) which includes monocotyledonous plants. | 2 | 3 | Details |
| Lincomycins | Not Available | 1 | 5 | Details |
| Lincosamide Antibacterial | Not Available | 2 | 7 | Details |
| Lincosamides | A family of LINCOMYCIN-related glycosides that contain a pyrrolidine ring linked via an... more | 3 | 7 | Details |
| Linoleic Acids | Eighteen-carbon essential fatty acids that contain two double bonds. | 1 | 1 | Details |
| Linolenic Acids | Eighteen-carbon essential fatty acids that contain three double bonds. | 4 | 21 | Details |
| Lipase | An enzyme of the hydrolase class that catalyzes the reaction of triacylglycerol and wat... more | 2 | 4 | Details |
| Lipase Inhibitors | Not Available | 1 | 8 | Details |
| Lipase, antagonists & inhibitors | Not Available | 1 | 1 | Details |
| Lipid Emulsion | Not Available | 2 | 4 | Details |
| Lipid Modifying Agents | Not Available | 52 | 319 | Details |