HHEAR Value Sets GOLD Ecosystem Classification Source
http://purl.obolibrary.org/obo/UBERON_0001088 https://w3id.org/gold.vocab/Urine LOOM
http://purl.obolibrary.org/obo/UBERON_0001037 https://w3id.org/gold.vocab/Hair LOOM
http://purl.org/twc/HHEAR_00363 https://w3id.org/gold.vocab/Metal LOOM
http://purl.obolibrary.org/obo/UBERON_0001988 https://w3id.org/gold.vocab/Feces LOOM
http://purl.obolibrary.org/obo/UBERON_0001836 https://w3id.org/gold.vocab/Saliva LOOM
http://purl.obolibrary.org/obo/UBERON_0001091 https://w3id.org/gold.vocab/Tooth LOOM
http://purl.obolibrary.org/obo/UBERON_0001913 https://w3id.org/gold.vocab/Milk LOOM