<http://webisa.webdatacommons.org/prov/316178964>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/388495503> .
<http://webisa.webdatacommons.org/388495503>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/388495503>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<clevelandclinic.org> .
<http://webisa.webdatacommons.org/388495503>	<http://www.w3.org/ns/prov#value>	"Next to headaches, back problems are the most common complaint to health care professionals." .