The prevalence of anemia in patients with malignant tumors: a hospital-based, cross-sectional study. Italian Journal of Medicine, [S. l.], v. 17, n. 1, 2023. DOI: 10.4081/itjm.2023.1571. Disponível em: https://www.italjmed.org/ijm/article/view/1571. Acesso em: 20 may. 2025.