About: http://webisa.webdatacommons.org/338090702

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	Chest tightness is a very common symptom, especially in middle aged and elder people.
http://www.w3.org/ns/prov#wasQuotedFrom	md-health.com