<http://webisa.webdatacommons.org/prov/386144209>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/345399861> .
<http://webisa.webdatacommons.org/345399861>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/345399861>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<thefreelibrary.com> .
<http://webisa.webdatacommons.org/345399861>	<http://www.w3.org/ns/prov#value>	"between condoms and other less effective methods, almost all reported" .