About: http://webisa.webdatacommons.org/157796253

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	Way back in 1879, nitroglycerin was first administered to an angina patient.1 It worked so well that nitroglycerin and other nitrate drugs have been used as standard angina therapy ever since.
http://www.w3.org/ns/prov#wasQuotedFrom	lef.org