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<http://webisa.webdatacommons.org/419212116>	<http://www.w3.org/ns/prov#value>	"It performs many functions that are essential to life.A liver biopsy is a procedure that involves obtaining a small piece of liver tissue, which is then analyzed in the laboratory." .
<http://webisa.webdatacommons.org/prov/502591375>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/419212116> .