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<http://webisa.webdatacommons.org/301654139>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/301654139>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wordpress.com> .
<http://webisa.webdatacommons.org/prov/439982055>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/301654139> .
<http://webisa.webdatacommons.org/301654139>	<http://www.w3.org/ns/prov#value>	"Raised metal ion levels can cause problems such as soft tissue damage, pain and pseudotumours, resulting in the need for revision surgery." .