<http://webisa.webdatacommons.org/prov/27444126>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/50921245> .
<http://webisa.webdatacommons.org/50921245>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/50921245>	<http://www.w3.org/ns/prov#value>	"The strength of the research about smoking and cancer, heart disease, emphysema, peripheral vascular diseases and other problems is overwhelming." .
<http://webisa.webdatacommons.org/prov/432475662>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/50921245> .
<http://webisa.webdatacommons.org/50921245>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<yuku.com> .