About: http://webisa.webdatacommons.org/321449712

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	It is common for a patient with a heart attack to have other symptoms, such as discomfort in one or both arms, back, neck, jaw, or stomach, shortness of breath, breaking out in a cold sweat, nausea, or light-headedness.
http://www.w3.org/ns/prov#wasQuotedFrom	samc.org