<http://webisa.webdatacommons.org/414797949>	<http://www.w3.org/ns/prov#value>	"3 questionnaires to collect information about any pain and/or symptoms experienced, general well-being, and personal information such as age and marital status." .
<http://webisa.webdatacommons.org/414797949>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<clinicaltrials.gov> .
<http://webisa.webdatacommons.org/prov/110900610>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/414797949> .
<http://webisa.webdatacommons.org/414797949>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/452621110>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/414797949> .