National Drug File - Reference Terminology Molecular Process Ontology Source
http://purl.bioontology.org/ontology/NDFRT/N0000184205 http://purl.obolibrary.org/obo/CHEBI_18379 LOOM
http://purl.bioontology.org/ontology/STY/T096 http://purl.obolibrary.org/obo/CHEBI_24433 LOOM