Mass Spectrometry Ontology Portfolio Management Application Source
http://www.bioontology.org/pma.owl#PMA_1275 http://purl.obolibrary.org/obo/MS_1003039 LOOM
http://www.bioontology.org/pma.owl#PMA_1927 http://purl.obolibrary.org/obo/MS_1003348 LOOM
http://www.bioontology.org/pma.owl#PMA_1306 http://purl.obolibrary.org/obo/NCIT_C25330 LOOM
http://www.bioontology.org/pma.owl#PMA_997 http://purl.obolibrary.org/obo/MS_1000531 LOOM