<http://webisa.webdatacommons.org/322251453>	<http://www.w3.org/ns/prov#value>	"Ovarian cancer is a very heterogeneous disease with at least four major histological subtypes ??? clear cell, endometrioid, serous and mucinous.Pathologically, ovarian cancer was recently divided into Type I and Type II subgroups." .
<http://webisa.webdatacommons.org/prov/445525781>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/322251453> .
<http://webisa.webdatacommons.org/322251453>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/322251453>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<mdanderson.org> .