Roli, Giulia, and Paola Monari. “Improving the Estimation of Multiple Correlated Dietary Effects on Colon-Rectum Cancer in Multicentric Studies:”. Statistica 71, no. 4 (January 1, 2011): 437–452. Accessed February 1, 2023. https://rivista-statistica.unibo.it/article/view/3626.