Immunoexpression of Cytokeratin 20 and Cytokeratin 7 in Colorectal Adenocarcinoma in Association to Histological Grade. mfm [Internet]. 2024 May 2 [cited 2026 Jan. 31];29(1). Available from: https://medicalforummonthly.com/index.php/mfm/article/view/2846