Batista, W. R., G. Santos, F. M. R. Vital, and D. Matos. “Immunoexpression of TS, p53, COX2, EGFR, MSH6 and MLH1 Biomarkers and Its Correlation With Degree of Differentiation, Tumor Staging and Prognostic Factors in Colorectal Adenocarcinoma: A Retrospective Longitudinal Study”. São Paulo Medical Journal, vol. 137, no. 1, Feb. 2019, pp. 33-38, https://periodicosapm.emnuvens.com.br/spmj/article/view/631.