UMLS Semantic Network Protein Ontology Source
http://purl.bioontology.org/ontology/STY/T005 http://purl.obolibrary.org/obo/NCBITaxon_10239 LOOM
http://purl.bioontology.org/ontology/STY/T001 http://purl.obolibrary.org/obo/OBI_0100026 LOOM