About: http://webisa.webdatacommons.org/6709205

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	In U.S. Pat. No. 5,348,538, incorporated herein by reference, there is described a single layer angioplasty balloon made of a material such as PET which follows a stepped compliance curve.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk