<http://webisa.webdatacommons.org/328192678>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<bio-medicine.org> .
<http://webisa.webdatacommons.org/prov/455973015>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/328192678> .
<http://webisa.webdatacommons.org/328192678>	<http://www.w3.org/ns/prov#value>	"Urea or carbamide is an organic compound with the chemical formula (NH2)2CO. The molecule has two amine (-NH2) resid...t urea nitrogen is filtered out by the kidneys and leaves ..." .
<http://webisa.webdatacommons.org/328192678>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .