National Drug File - Reference Terminology	Physical Activity Ontology	Source
http://purl.bioontology.org/ontology/NDFRT/N0000147042	http://www.semanticweb.org/hyk038/ontologies/2018/7/untitled-ontology-17#Water	LOOM
http://purl.bioontology.org/ontology/STY/T052	http://www.semanticweb.org/hyk038/ontologies/2018/7/untitled-ontology-17#Activity	LOOM