BALARIN, Mara Regina Stipp; KUCHEMBUCK, Márcio Rubens Graf; KOHAYAGAWA, Aguemi. Evaluation of the nutritional conditions of calcium and phosphorus in bovines by the urine biochemical analysis. Semina: Ciências Agrárias, [S. l.], v. 13, n. 1, p. 56–60, 1992. DOI: 10.5433/1679-0359.1992v13n1p56. Disponível em: https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/4602. Acesso em: 11 mar. 2026.