title: Survival benefit of epithelial ovarian cancer in hormone replacement therapy users: Could it be explained by socio-economic status?
authors.affiliation: University of Groningen, University Medical Center Groningen, Department of Gynaecology, Groningen, The Netherlands. Electronic address: m.j.e.mourits@umcg.nl.
authors.forename: Marian J E
authors.initials: MJ
authors.lastname: Mourits
authors.affiliation: University of Groningen, University Medical Center Groningen, Department of Epidemiology, Groningen, The Netherlands. Electronic address: g.h.de.bock@umcg.nl.
authors.forename: Geertruida H
authors.initials: GH
authors.lastname: de Bock