Evaluation of Serum 25-Hydroxyvitamin D, Ferritin, and CA 15-3 Levels in Women with Breast Cancer: An Iraqi Comparative Study. Baghdad Journal of Biochemistry and Applied Biological Sciences, [S. l.], v. 7, n. 2, p. 125–132, 2026. DOI: 10.47419/bjbabs.v7i2.440. Disponível em: https://www.bjbabs.org/index.php/bjbabs/article/view/440. Acesso em: 15 apr. 2026.