Kristiansen G, Denkert C, Schlüns K, Dahl E, Pilarsky C, Hauptmann S. CD24 Is Expressed in Ovarian Cancer and Is a New Independent Prognostic Marker of Patient Survival. The American Journal of Pathology. 2002 Oct;161(4):1215–21. doi: 10.1016/s0002-9440(10)64398-2.