Martins, G. R. (2015) “Detection of maedi visna virus, by Nested-PCR, in bronchoalveolar lavage of sheep lungs from slaughterhouse in the Metropolitan region of Fortaleza”, Brazilian Journal of Veterinary Medicine, 37(1), pp. 60–64. Available at: https://bjvm.org.br/BJVM/article/view/348 (Accessed: 14 October 2025).