<http://webisa.webdatacommons.org/prov/318770519>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/319924160> .
<http://webisa.webdatacommons.org/319924160>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/319924160>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/319924160>	<http://www.w3.org/ns/prov#value>	"Such occlusion is achieved with occlusal stents which are particularly suited for use in performing Endobronchial Volume Reduction (EVR) in patients suffering from chronic obstructive pulmonary disease or other conditions where isolation of a lung segment or reduction of lung volume is desired." .