Physico-Chemical Methods and Properties	Cell Culture Ontology	Source
http://purl.obolibrary.org/obo/FIX_0000084	http://www.ebi.ac.uk/efo/EFO_0030056	LOOM
http://purl.obolibrary.org/obo/FIX_0000496	http://www.ebi.ac.uk/efo/EFO_0001695	LOOM
http://purl.obolibrary.org/obo/FIX_0000479	http://purl.obolibrary.org/obo/PATO_0000125	LOOM