CHRISTIE, G. J.; KEEFE, T. J.; STROM, B. W. Hetacillin, a new approach to mastitis control. The Bovine Practitioner, [S. l.], v. 1973, n. 8, p. 50–52, 1973. DOI: 10.21423/bovine-vol1973no8p50-52. Disponível em: https://bovine-ojs-tamu.tdl.org/bovine/article/view/1825. Acesso em: 14 jul. 2024.