Radiation Biology Ontology	Head and Neck Cancer - Clinical and Gene Ontology	Source
http://purl.obolibrary.org/obo/ENVO_01000801	http://ontology.lst.tfo.upm.es/SPT/gene#ID_6770	LOOM
http://purl.obolibrary.org/obo/UBERON_0000167	http://ontology.lst.tfo.upm.es/BD2D/ctn#Tumor_Region@@1	LOOM