The anemia of the old and oldest-old patients hospitalized in Internal Medicine: a very high rate of anemia of chronic disease and multifactorial anemia. Italian Journal of Medicine, [S. l.], v. 14, n. 3, p. 143–150, 2020. DOI: 10.4081/itjm.2020.1282. Disponível em: https://www.italjmed.org/ijm/article/view/itjm.2020.1282. Acesso em: 1 jul. 2025.