Comparative study of CA19-9 levels as tumor marker in sera and tissues of breast, prostate and thyroid cancer patients. Ibn AL-Haitham Journal For Pure and Applied Sciences, [S. l.], v. 22, n. 1, 2017. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/1273.. Acesso em: 19 may. 2024.