<http://webisa.webdatacommons.org/129470468>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<biomedcentral.com> .
<http://webisa.webdatacommons.org/129470468>	<http://www.w3.org/ns/prov#value>	"Alcohol and other drug use and misuse is a significant problem amongst Polish youth." .
<http://webisa.webdatacommons.org/prov/269051279>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/129470468> .
<http://webisa.webdatacommons.org/129470468>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/509229017>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/129470468> .