<http://webisa.webdatacommons.org/376851048> <http://www.w3.org/ns/prov#value> "Traditionally, these procedures were performed by physicians, such as gastroenterologist or surgeons, either by laparoscopy or open surgical techniques." . <http://webisa.webdatacommons.org/prov/334658032> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/376851048> . <http://webisa.webdatacommons.org/376851048> <http://www.w3.org/ns/prov#wasQuotedFrom> <google.es> . <http://webisa.webdatacommons.org/prov/317829096> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/376851048> . <http://webisa.webdatacommons.org/376851048> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> .