The Association of Age, Gender, and Carcinoembryonic Antigen (CEA) levels with Adenocarcinoma Grading in Patients with Colorectal Cancer. j. medik. n.a. ilm. Kesehat. [Internet]. 2022 Jun. 17 [cited 2026 Jul. 12];7(1):55-61. Available from: http://jurnal.itkeswhs.ac.id/index.php/medika/article/view/986