<http://webisa.webdatacommons.org/prov/272054266>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/139168717> .
<http://webisa.webdatacommons.org/139168717>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/139168717>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ems-ceu.com> .
<http://webisa.webdatacommons.org/139168717>	<http://www.w3.org/ns/prov#value>	"Smoking is a strong risk factor for atherosclerosis, and patients with coronary artery disease may have nicotine stains on their fingers or teeth." .