HHEAR Value Sets National Drug File - Reference Terminology Source
http://purl.obolibrary.org/obo/NCIT_C18020 http://purl.bioontology.org/ontology/STY/T060 LOOM
http://purl.obolibrary.org/obo/CHEBI_85122 http://purl.bioontology.org/ontology/NDFRT/N0000022609 LOOM
http://purl.obolibrary.org/obo/UBERON_0001913 http://purl.bioontology.org/ontology/NDFRT/N0000022614 LOOM