<http://webisa.webdatacommons.org/215941308>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<science20.com> .
<http://webisa.webdatacommons.org/215941308>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/215941308>	<http://www.w3.org/ns/prov#value>	"There, the immune system usually destroys them but occasionally sometimes they travel to the heart and colonize its tissue, especially heart valves." .
<http://webisa.webdatacommons.org/prov/159292723>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/215941308> .