Coding Symbols for a Thesaurus of Adverse Reaction Terms	Presence Ontology	Source
http://presence-ontology.org/ontology/Event	http://purl.bioontology.org/ontology/STY/T051	LOOM
http://presence-ontology.org/ontology/Hypertension	http://purl.bioontology.org/ontology/CST/CVHYPERT	LOOM
http://presence-ontology.org/ontology/Hypertension	http://purl.bioontology.org/ontology/CST/HYPERTENS	LOOM
http://presence-ontology.org/ontology/MedicalDevice	http://purl.bioontology.org/ontology/STY/T074	LOOM
http://presence-ontology.org/ontology/HeartFailure	http://purl.bioontology.org/ontology/CST/HEART%20FAIL	LOOM