<http://webisa.webdatacommons.org/13618333> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/13618333> <http://www.w3.org/ns/prov#value> "The compounds that pass the intestinal walls and enter the hepatic portal system, a group of veins that direct blood and other compounds from the gastrointestinal tract to the liver, is further metabolized inside the liver." . <http://webisa.webdatacommons.org/13618333> <http://www.w3.org/ns/prov#wasQuotedFrom> <vitanetonline.com> . <http://webisa.webdatacommons.org/prov/295619029> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/13618333> .