GREEN, R. A.; MONLUX, A. W.; RANDOLPH, T. C. Blood porphyrin determination: A rapid field test for lead poisoning in cattle. The Bovine Practitioner, [S. l.], v. 1973, n. 8, p. 30–35, 1973. DOI: 10.21423/bovine-vol1973no8p30-35. Disponível em: https://bovine-ojs-tamu.tdl.org/bovine/article/view/1820. Acesso em: 14 jul. 2024.