Moamer S, Baghestani AR, Pourhoseingholi MA, Khaden Maboudi AA, Seyed Agha SH, Zali MR. Prognostic Factors for Survival in Patients with Colorectal Cancer in Iran between 2004-2015: Competing Risks Regression Analysis with Generalized Weibull Model. Basic Clin Cancer Res. 2017;9(1):4-11.