LDbase	MedlinePlus Health Topics	Source
http://purl.org/ldbase/877	http://purl.bioontology.org/ontology/STY/T171	LOOM
http://purl.org/ldbase/419	http://purl.bioontology.org/ontology/MEDLINEPLUS/C0038661	LOOM
http://purl.org/ldbase/511	http://purl.bioontology.org/ontology/MEDLINEPLUS/C0025260	LOOM