Sex Differences in Colorectal Cancer Survival: Population-Based Analysis of 164,996 Colorectal Cancer Patients in Germany. - Majek, Ondrej; Gondos, Adam; Jansen, Lina; Emrich, Katharina; Holleczek, Bernd; Katalinic, Alexander; Nennecke, Alice; Eberle, Andrea; Brenner, Hermann (PLoS ONE, 2013)