Cigarette Smoke Exposure Ontology	LDbase	Source
http://purl.org/ldbase/579	http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#Race	LOOM
http://purl.org/ldbase/1509	http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#State-Trait_Anxiety_Inventory	LOOM
http://purl.org/ldbase/456	http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#Sex	LOOM