Veterans Health Administration National Drug File	METPO	Source
https://w3id.org/metpo/0000004	http://purl.bioontology.org/ontology/VANDF/4019105	LOOM
http://purl.obolibrary.org/obo/ENVO_00002005	http://purl.bioontology.org/ontology/VANDF/4019126	LOOM
http://purl.obolibrary.org/obo/OBI_0100026	http://purl.bioontology.org/ontology/STY/T001	LOOM
http://purl.obolibrary.org/obo/BFO_0000001	http://purl.bioontology.org/ontology/STY/T071	LOOM
https://w3id.org/metpo/0000218	http://purl.bioontology.org/ontology/VANDF/4023940	LOOM
https://w3id.org/metpo/0000229	http://purl.bioontology.org/ontology/VANDF/4023942	LOOM
http://purl.obolibrary.org/obo/PR_000000001	http://purl.bioontology.org/ontology/VANDF/4020765	LOOM
http://purl.obolibrary.org/obo/CHEBI_36080	http://purl.bioontology.org/ontology/VANDF/4020765	LOOM
http://purl.obolibrary.org/obo/CHEBI_16134	http://purl.bioontology.org/ontology/VANDF/4019608	LOOM
http://purl.obolibrary.org/obo/CL_0000000	http://purl.bioontology.org/ontology/STY/T025	LOOM
http://purl.obolibrary.org/obo/GO_0005623	http://purl.bioontology.org/ontology/STY/T025	LOOM
http://purl.obolibrary.org/obo/OBI_0000427	http://purl.bioontology.org/ontology/STY/T126	LOOM
http://purl.obolibrary.org/obo/UBERON_0000061	http://purl.bioontology.org/ontology/STY/T017	LOOM
http://purl.obolibrary.org/obo/CHEBI_24433	http://purl.bioontology.org/ontology/STY/T096	LOOM
http://purl.obolibrary.org/obo/GO_0003674	http://purl.bioontology.org/ontology/STY/T044	LOOM
http://purl.obolibrary.org/obo/CHEBI_16526	http://purl.bioontology.org/ontology/VANDF/4019125	LOOM