Source:http://linkedlifedata.com/resource/umls/id/C0439148
NCI: A unit used by the Food and Drug Administration (FDA).,NCI: The property used in conjunction with a nutrient or food component, typically expressed in gram (g), milligram (mg), microgram (mcg), joule, or kilojoule.,NCI: A single undivided thing occurring in the composition of something else.