Experimental Factor Ontology Darwin-SW Source
http://purl.obolibrary.org/obo/OBI_0100051 http://purl.org/dsw/Specimen LOOM
http://www.ebi.ac.uk/efo/EFO_0009629 http://rs.tdwg.org/dwc/terms/Event LOOM
http://purl.obolibrary.org/obo/OBI_0100026 http://rs.tdwg.org/dwc/terms/Organism LOOM