National Drug Data File Software Ontology Source
http://purl.obolibrary.org/obo/OBI_0100026 http://purl.bioontology.org/ontology/STY/T001 LOOM
http://www.ebi.ac.uk/swo/data/SWO_3000058 http://purl.bioontology.org/ontology/NDDF/GB LOOM
http://purl.obolibrary.org/obo/BFO_0000001 http://purl.bioontology.org/ontology/STY/T071 LOOM
http://purl.obolibrary.org/obo/OBI_0000245 http://purl.bioontology.org/ontology/STY/T092 LOOM
http://purl.obolibrary.org/obo/GO_0003674 http://purl.bioontology.org/ontology/STY/T044 LOOM
http://www.ebi.ac.uk/swo/data/SWO_3000058 http://purl.bioontology.org/ontology/NDDF/EB LOOM