Source:http://linkedlifedata.com/resource/umls/id/C1705851
NCI: "A concentrated preparation of vegetable or animal drugs obtained by removal of the active constituents of the respective drugs with a suitable menstrua, evaporation of all or nearly all of the solvent, and adjustment of the residual masses or powders to the prescribed standards. (NCI)",NCI: A distillate composed of active and/or inert ingredient(s) extracted from plant or animal matter, and represented in concentrated form.,NCI: In medicine, a preparation of a substance obtained from plants, animals, or bacteria and used as a drug or in drugs.