Mass Spectrometry Ontology OCD ontology Source
http://purl.obolibrary.org/obo/NCIT_C43431 http://purl.obolibrary.org/obo/NCIT_C43431 SAME_URI
http://purl.obolibrary.org/obo/ID_0000001 http://purl.obolibrary.org/obo/NCIT_C43431 LOOM