National Drug File - Reference Terminology	Mass Spectrometry Ontology	Source
http://purl.bioontology.org/ontology/NDFRT/N0000179835	http://purl.obolibrary.org/obo/MS_1002077	LOOM
http://purl.bioontology.org/ontology/STY/T077	http://purl.obolibrary.org/obo/NCIT_C20181	LOOM
http://purl.bioontology.org/ontology/NDFRT/N0000146777	http://purl.obolibrary.org/obo/MS_1001306	LOOM
http://purl.bioontology.org/ontology/NDFRT/N0000148318	http://purl.obolibrary.org/obo/MS_1000882	LOOM
http://purl.bioontology.org/ontology/NDFRT/N0000022067	http://purl.obolibrary.org/obo/PEFF_0001034	LOOM
http://purl.bioontology.org/ontology/STY/T052	http://purl.obolibrary.org/obo/NCIT_C43431	LOOM
http://purl.bioontology.org/ontology/NDFRT/N0000146985	http://purl.obolibrary.org/obo/MS_1002981	LOOM
http://purl.bioontology.org/ontology/NDFRT/N0000147325	http://purl.obolibrary.org/obo/MS_1001251	LOOM
http://purl.bioontology.org/ontology/NDFRT/N0000148124	http://purl.obolibrary.org/obo/MS_1001308	LOOM