<http://webisa.webdatacommons.org/256666674>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/256666674>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<nih.gov> .
<http://webisa.webdatacommons.org/prov/137505173>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/256666674> .
<http://webisa.webdatacommons.org/256666674>	<http://www.w3.org/ns/prov#value>	"related to factors such as participant recruitment and retention, dosage, cost," .