About: http://webisa.webdatacommons.org/49044255

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	As described above, in cases in which the lumen does not offer a sufficiently low coefficient of friction, coatings such as surfactants, hydrogels, silicone oils or fluoropolymers may be provided.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca