<http://webisa.webdatacommons.org/217972912>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<biomedcentral.com> .
<http://webisa.webdatacommons.org/217972912>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/217972912>	<http://www.w3.org/ns/prov#value>	"Smoking for some may be a form of self-medication for acute dysphoric symptom reduction" .
<http://webisa.webdatacommons.org/prov/55756277>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/217972912> .