About: http://webisa.webdatacommons.org/70426752

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	However, this data was observed in a particular group of individuals on particular days, and we know that a person's blood pressure can vary from day to day because of many factors, including stress and exercise.
http://www.w3.org/ns/prov#wasQuotedFrom	maths.org