Endometriosis as a risk factor for ovarian or endometrial cancer — results of a hospitalbased case–control study - Burghaus, Stefanie 1983-; Häberle, Lothar; Schrauder, Michael 1975-; Heusinger, Katharina 1981- (Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2015)