GOLD Ecosystem Classification	Symptom Ontology	Source
http://purl.obolibrary.org/obo/SYMP_0000431	https://w3id.org/gold.vocab/Sputum	LOOM
http://purl.obolibrary.org/obo/SYMP_0000526	https://w3id.org/gold.vocab/Ascites	LOOM