Head and Neck Cancer Ontology	Amino Acid Ontology	Source
http://www.co-ode.org/ontologies/amino-acid/2006/05/18/amino-acid.owl#Positive	http://ontology.lst.tfo.upm.es/BD2D/patho#HPV_Status@@1	LOOM
http://www.co-ode.org/ontologies/amino-acid/2006/05/18/amino-acid.owl#Positive	http://ontology.lst.tfo.upm.es/BD2D/patho#HPV_DNA@@2	LOOM
http://www.co-ode.org/ontologies/amino-acid/2006/05/18/amino-acid.owl#Positive	http://ontology.lst.tfo.upm.es/BD2D/patho#p16ink4a_stain@@2	LOOM
http://www.co-ode.org/ontologies/amino-acid/2006/05/18/amino-acid.owl#Negative	http://ontology.lst.tfo.upm.es/BD2D/patho#HPV_DNA@@1	LOOM
http://www.co-ode.org/ontologies/amino-acid/2006/05/18/amino-acid.owl#Negative	http://ontology.lst.tfo.upm.es/BD2D/clinical#HIV_Status@@3	LOOM
http://www.co-ode.org/ontologies/amino-acid/2006/05/18/amino-acid.owl#Negative	http://ontology.lst.tfo.upm.es/BD2D/patho#HPV_Status@@2	LOOM
http://www.co-ode.org/ontologies/amino-acid/2006/05/18/amino-acid.owl#Negative	http://ontology.lst.tfo.upm.es/BD2D/patho#p16ink4a_stain@@1	LOOM