%0 Journal Article %T Endometriosis and Ovarian Cancer Risk: A Systematic Review of Epidemiological Studies %A Menelaos Zafrakas %A Anna Timologou %J Frontiers in Surgery %D 2014 %I Frontiers Media %R 10.3389/fsurg.2014.00014 %X Background: A possible etiological association between endometriosis and ovarian cancer has been repeatedly reported in the literature. %K endometriosis %K ovarian cancer %K causal association %K ovarian tumor %K ovarian neoplasia %U http://www.frontiersin.org/Journal/10.3389/fsurg.2014.00014/abstract