<http://webisa.webdatacommons.org/21475087>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/21475087>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<drug3k.com> .
<http://webisa.webdatacommons.org/prov/85233327>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/21475087> .
<http://webisa.webdatacommons.org/21475087>	<http://www.w3.org/ns/prov#value>	"They can also check for drugs, alcohol, lead or other heavy metals." .