Safety, Immunogenicity, and Efficacy of Two Escherichia coli cya crp Mutants as Vaccines for Broilers

Autor: Peighambari, S. M., Hunter, D. B., Shewen, P. E., Gyles, C. L.
Zdroj: Avian Diseases, 2002 Apr 01. 46(2), 287-297.
Databáze: JSTOR Journals