<http://webisa.webdatacommons.org/prov/134183637>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/187230849> .
<http://webisa.webdatacommons.org/187230849>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/187230849>	<http://www.w3.org/ns/prov#value>	"Confusion or other factors that would impair ability to assess symptoms" .
<http://webisa.webdatacommons.org/187230849>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<clinicaltrials.gov> .