<http://webisa.webdatacommons.org/150602503>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/125756450>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/150602503> .
<http://webisa.webdatacommons.org/150602503>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<mayoclinic.org> .
<http://webisa.webdatacommons.org/150602503>	<http://www.w3.org/ns/prov#value>	"Brush using a fluoride-containing toothpaste at least twice a day, especially after meals." .