SMITH, W. D. Prospects for vaccines against gastrointestinal helminth parasites of ruminants. The Bovine Practitioner, [S. l.], v. 1996, n. 30, p. 28–31, 1996. DOI: 10.21423/bovine-vol1996no30p28-31. Disponível em: https://bovine-ojs-tamu.tdl.org/bovine/article/view/2448. Acesso em: 2 oct. 2024.