The Value of Serum Carcinoembryonic Antigen in the Diagnosis of Malignant Colonic Tumor and its Prognosis . Medical Forum Monthly, [S. l.], v. 35, n. 8, 2024. Disponível em: https://medicalforummonthly.com/index.php/mfm/article/view/4992.. Acesso em: 30 jan. 2026.