<http://webisa.webdatacommons.org/12918036>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/12918036>	<http://www.w3.org/ns/prov#value>	"Patient characteristics, including age, sex, tumor grade, initial number of tumors," .
<http://webisa.webdatacommons.org/prov/264690076>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/12918036> .
<http://webisa.webdatacommons.org/12918036>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<biomedcentral.com> .