National Drug Data File	Hearing Impairment Ontology	Source
http://purl.bioontology.org/ontology/NDDF/004898	http://purl.obolibrary.org/obo/HIO_0000278	LOOM
http://purl.bioontology.org/ontology/STY/T195	http://purl.obolibrary.org/obo/HIO_0000279	LOOM
http://purl.bioontology.org/ontology/NDDF/002641	http://purl.obolibrary.org/obo/HIO_0000202	LOOM
http://purl.bioontology.org/ontology/NDDF/004864	http://purl.obolibrary.org/obo/HIO_0000286	LOOM
http://purl.bioontology.org/ontology/STY/T056	http://webprotege.stanford.edu/RxEmFR2NDOI5RuJiH2Fr21	LOOM
http://purl.bioontology.org/ontology/NDDF/001245	http://purl.obolibrary.org/obo/HIO_0000189	LOOM
http://purl.bioontology.org/ontology/NDDF/004784	http://purl.obolibrary.org/obo/HIO_0000191	LOOM
http://purl.bioontology.org/ontology/NDDF/002307	http://purl.obolibrary.org/obo/HIO_0000290	LOOM
http://purl.bioontology.org/ontology/NDDF/002775	http://purl.obolibrary.org/obo/HIO_0000284	LOOM
http://purl.bioontology.org/ontology/NDDF/004866	http://purl.obolibrary.org/obo/HIO_0000280	LOOM