The Biomarker Ontology	GOLD Ecosystem Classification	Source
https://w3id.org/gold.vocab/Urine	http://purl.obolibrary.org/obo/UBERON_0001088	LOOM
https://w3id.org/gold.vocab/Feces	http://purl.obolibrary.org/obo/UBERON_0001988	LOOM
https://w3id.org/gold.vocab/Liver	http://purl.obolibrary.org/obo/UBERON_0002107	LOOM
https://w3id.org/gold.vocab/Tissue	http://purl.obolibrary.org/obo/CARO_0000043	LOOM
https://w3id.org/gold.vocab/Blood	http://purl.obolibrary.org/obo/UBERON_0000178	LOOM
https://w3id.org/gold.vocab/Saliva	http://purl.obolibrary.org/obo/UBERON_0001836	LOOM
https://w3id.org/gold.vocab/Kidney	http://purl.obolibrary.org/obo/UBERON_0002113	LOOM
https://w3id.org/gold.vocab/Cerebrospinal-fluid	http://purl.obolibrary.org/obo/UBERON_0001359	LOOM