About: http://webisa.webdatacommons.org/230342007

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	The outer surface of the balloon can be smooth, roughened or possess regions of both types of surfaces to provide secure engagement between the balloon and surrounding tissue.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca