<http://webisa.webdatacommons.org/prov/277876309>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/49176621> .
<http://webisa.webdatacommons.org/49176621>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/49176621>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<bmj.com> .
<http://webisa.webdatacommons.org/49176621>	<http://www.w3.org/ns/prov#value>	"structures, such as the gallbladder, portal vein and urinary bladder, and recognising displacement of the normal bowel gas" .