NADIR, F. A.; ALI, Z. A. Investigation of Homocysteine, Vitamin B6 and Vitamin D among Patients with Colorectal Cancer. Polytechnic Journal, [S. l.], v. 12, n. 2, p. 168-173, 2023. DOI: 10.25156/ptj.v12n2y2022.pp168-173. Disponível em: https://journals.epu.edu.iq/index.php/polytechnic/article/view/863. Acesso em: 8 may. 2024.