<http://webisa.webdatacommons.org/172978574>	<http://www.w3.org/ns/prov#value>	"Further, mental health is an area that is challenging to measure in a straightforward manner." .
<http://webisa.webdatacommons.org/prov/80150440>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/172978574> .
<http://webisa.webdatacommons.org/172978574>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/490190484>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/172978574> .
<http://webisa.webdatacommons.org/172978574>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<federalregister.gov> .