Marçal, Wilmar Sachetin, Laurenil Gaste, Ney Carlos Reichert Netto, Marcelo Carlos Gargantini Marques, Reginaldo Pontes Fernandes, and Alexandre Amorim Monteiro. “Cattle Acute Intoxication by Bracken Fern ( Pteridium Aquilinum, L. Kuhn) at North Paraná State-Brazil”. Semina: Ciências Agrárias 22, no. 2 (February 28, 2004): 139–144. Accessed March 21, 2026. https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/2041.