National Drug Data File	HuBMAP Research Attributes Value Set	Source
http://purl.obolibrary.org/obo/CHEBI_17790	http://purl.bioontology.org/ontology/NDDF/002467	LOOM
http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C12508	http://purl.bioontology.org/ontology/STY/T025	LOOM
http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C65802	http://purl.bioontology.org/ontology/NDDF/002549	LOOM