Chaba, Linda, John Odhiambo, and Bernard Omolo. “Using Copulas to Select Prognostic Genes in Melanoma Patients”. International Journal of Statistics in Medical Research 6, no. 3 (August 3, 2017): 114–122. Accessed January 11, 2025. http://lifescienceglobalca.com/index.php/ijsmr/article/view/4839.