Choschzick M, Oosterwijk E, Müller V, Woelber L, Simon R, Moch H, Tennstedt P. Overexpression of carbonic anhydrase IX (CAIX) is an independent unfavorable prognostic marker in endometrioid ovarian cancer. Virchows Arch. 2011 Aug;459(2):193–200. doi: 10.1007/s00428-011-1105-y. PMID: 21691815.