About: http://webisa.webdatacommons.org/54838868

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	These rollers are compressed against each other, by a spring or other means to exert a frictional `drag` force on the suture which is advanced between them.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com