<http://webisa.webdatacommons.org/320691771>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<medicaldaily.com> .
<http://webisa.webdatacommons.org/320691771>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/261880776>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/320691771> .
<http://webisa.webdatacommons.org/prov/424880261>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/320691771> .
<http://webisa.webdatacommons.org/prov/263617857>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/320691771> .
<http://webisa.webdatacommons.org/320691771>	<http://www.w3.org/ns/prov#value>	"PAH, a common urban pollutant, are released into the air from the burning of coal, diesel, oil and gas, or other organic substances such as tobacco." .