About: http://webisa.webdatacommons.org/357357465

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	For example, NYHA class II heart failure was described as ???Condition A,??? and terms such as heart attack or chest pain were avoided so that the nature of each condition was unknown to the respondent.
http://www.w3.org/ns/prov#wasQuotedFrom	annals.org