Histopathological changes of the small intestine using a standard dose of copper sulfate in rats (feed supplement dose). Tikrit Journal of Veterinary Science, [S. l.], v. 5, n. 1, p. 36–43, 2026. DOI: 10.25130/tjvs.5.1.5. Disponível em: https://tjvs.tu.edu.iq/index.php/tjvs/article/view/161. Acesso em: 5 jul. 2026.