ULTRASTRUCTURAL CHANGES OF THE MESENTRIC LYMPH NODES OF CALVES EXPERIMENTALLY INFECTED WITH SALMONELLA TYPHIMURIUM . The Iraqi Journal of Veterinary Medicine, [S. l.], v. 21, n. 1, p. 72–84, 2022. DOI: 10.30539/ijvm.v21i1.1247. Disponível em: https://jcovm.uobaghdad.edu.iq/index.php/Iraqijvm/article/view/1247.. Acesso em: 2 may. 2024.