National Drug Data File	HUGO Gene Nomenclature	Source
http://purl.bioontology.org/ontology/NDDF/YK	https://www.genenames.org/data/gene-symbol-report/#!/hgnc_id/HGNC:6342	LOOM
http://purl.bioontology.org/ontology/NDDF/010370	https://www.genenames.org/data/gene-symbol-report/#!/hgnc_id/HGNC:7090	LOOM