CAUSES, SYMPTOMS OF CALF ANEMIA AND CHANGES IN BLOOD. International Engineering Journal For Research & Development, [S. l.], v. 6, n. 2, p. 3, 2021. DOI: 10.17605/OSF.IO/M9SK5. Disponível em: https://www.iejrd.com/index.php/iejrd/article/view/1692. Acesso em: 1 oct. 2026.