<http://webisa.webdatacommons.org/prov/373729827>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/251506957> .
<http://webisa.webdatacommons.org/251506957>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<clinicaltrials.gov> .
<http://webisa.webdatacommons.org/251506957>	<http://www.w3.org/ns/prov#value>	"The first visit is a screening visit to determine if participants are eligible to participate." .
<http://webisa.webdatacommons.org/251506957>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .