About: http://webisa.webdatacommons.org/150554049

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	If the problem is due to a drop in blood pressure on standing, it is necessary to look at underlying causes such as anaemia, inadequate monitoring systems in the body, and medications.
http://www.w3.org/ns/prov#wasQuotedFrom	balancedoctor.co.uk