<http://webisa.webdatacommons.org/111335137>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/391248238>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/111335137> .
<http://webisa.webdatacommons.org/111335137>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/111335137>	<http://www.w3.org/ns/prov#value>	"In some blood vessels, such as the coronary arteries, the occurrence of vasospasm constitutes an acute emergency which requires immediate treatment to prevent severe ischemic changes and/or infarction of tissue." .