| umls-concept:C0439191 | skos:definition | NCI: A unit of amount of substance equal to 10E-9 mole.,NCI: A unit of amount of substance equal to one billionth (10E-9) of a mole.(NCI),NCI: The amount of a substance equal to a billionth of a mole (a measure of the amount of a substance). | lld:umls |
