Medical Dictionary for Regulatory Activities Terminology (MedDRA)	LDbase	Source
http://purl.org/ldbase/877	http://purl.bioontology.org/ontology/STY/T171	LOOM
http://purl.org/ldbase/419	http://purl.bioontology.org/ontology/MEDDRA/10042462	LOOM
http://purl.org/ldbase/1359	http://purl.bioontology.org/ontology/MEDDRA/10039249	LOOM