Dirican A, Unal B, Isik B, Sumer F, Kayaalp C, Aslan I. Corelation between Preoperative Serum CEA, CA19-9, and AFP Levels and Clinicopathologic Factors . annalsmedres [Internet]. 2021 May 25 [cited 2024 Dec. 22];15(4):0233-7. Available from: http://annalsmedres.org/index.php/aomr/article/view/3294