<http://webisa.webdatacommons.org/prov/411349513>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/16709179> .
<http://webisa.webdatacommons.org/prov/461102444>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/16709179> .
<http://webisa.webdatacommons.org/prov/46556985>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/16709179> .
<http://webisa.webdatacommons.org/16709179>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/16709179>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<hc-sc.gc.ca> .
<http://webisa.webdatacommons.org/16709179>	<http://www.w3.org/ns/prov#value>	"In addition, potentially toxic chemicals can cling to rugs, curtains, clothes, food, furniture and other materials and can usually remain in a room long after someone has smoked there.Footnote 21,Footnote 22,Footnote 23" .