About: http://webisa.webdatacommons.org/254597113

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	During the test, researchers told patients to begin the maneuver when blood pressure began to fall and syncope symptoms such as lightheadness and nausea appeared.
http://www.w3.org/ns/prov#wasQuotedFrom	sciencedaily.com