About: http://webisa.webdatacommons.org/94002383

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	BACKGROUND: Endoscopic biliary drainage of hilar cholangiocarcinoma is controversial with respect to the optimal types of stents and the extent of drainage.
http://www.w3.org/ns/prov#wasQuotedFrom	biomedsearch.com