PLOS Thesaurus	International Society for the Study of Vascular Anomalies (ISSVA) Ontology	Source
http://purl.bioontology.org/ontology/ISSVA/ISSVA_081	http://localhost/plosthes.2017-1#161	LOOM
http://purl.bioontology.org/ontology/ISSVA/ISSVA_154	http://localhost/plosthes.2017-1#9590	LOOM
http://purl.bioontology.org/ontology/ISSVA/ISSVA_195	http://localhost/plosthes.2017-1#4798	LOOM