About: http://webisa.webdatacommons.org/402552083

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	In Hong Kong, it has been estimated that about 20% of patients with chest pain are misdiagnosed to have coronary heart disease.
http://www.w3.org/ns/prov#wasQuotedFrom	clinicaltrials.gov