Physico-Chemical Methods and Properties	The Echinoderm Anatomy and Development Ontology	Source
http://purl.obolibrary.org/obo/PATO_0000141	http://purl.obolibrary.org/obo/FIX_0000482	LOOM
http://purl.obolibrary.org/obo/PATO_0000052	http://purl.obolibrary.org/obo/FIX_0000498	LOOM