<http://webisa.webdatacommons.org/prov/157660842>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/133441294> .
<http://webisa.webdatacommons.org/133441294>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/133441294>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<plos.org> .
<http://webisa.webdatacommons.org/133441294>	<http://www.w3.org/ns/prov#value>	"Alternatively, the difference between our data and other reports could be the result of the small subject numbers or differences in study populations." .