Lauritano , D., L. Sbordone, M. Nardone, A. Iapichino, L. Scapoli, and F. Carinci. “FOCUS ON PERIODONTAL DISEASE AND COLORECTAL CARCINOMA”. Oral & Implantology, vol. 10, no. 3, Sept. 2017, pp. 229-33, https://www.oimplantology.org/oimp/article/view/209.