About: http://webisa.webdatacommons.org/158784546

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 drying sample tube itself comprises an outer tubular jacket 18 which may be made of polyvinyl chloride, silicon rubber, polyurethane, polyethylene or other material commonly used as medical tubing.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com