PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Malignant strictures are usually the result of either a primary bile duct cancer (ie, causing a narrowing of the bile duct lumen and obstructing the flow of bile) or extrinsic compression of the bile ducts by a neoplasm in an adjacent organ, such as the gallbladder, pancreas, or liver (see image below).
http://www.w3.org/ns/prov#wasQuotedFrom
  • medscape.com