About: http://webisa.webdatacommons.org/76230804

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Angina is a symptom of heart disease and can cause pain in your chest, jaw, or down your arm.Medicines called nitrates include nitroglycerin that is found in tablets, sprays, ointments, pastes, or patches.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov