1.
Rudiman R, Lukman K, Barr TI. Correlation Between Tumor Cell Differentiation and CEA Levels in Patients with Adenocarcinoma of the Rectum. MKB [Internet]. 2020 Dec. 30 [cited 2026 Jul. 7];52(4):233–237. Available from: https://stable.unpadmedjournals.id/index.php/mkb/article/view/2028