<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>Indicates that a concept in the 'Drug, Food, Chemical or Biomedical Material' branch of the NCI thesaurus maps to a specific concept in the EBI Chemical Entities of Biological Interest database.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>