VIANNA, Luís Carlos; MULLER, Ernst Eckehardt; FREITAS, Júlio César de; PRETTO-GIORDANO, Lucienne Garcia; SALVADOR, Rogério; DIAS, Juliana Alves. Duration of the natural infection of the mammary gland by coagulase negative staphylococci in primiparous cows. Semina: Ciências Agrárias, [S. l.], v. 21, n. 1, p. 9–14, 2000. DOI: 10.5433/1679-0359.2000v21n1p9. Disponível em: https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/3998. Acesso em: 4 apr. 2026.