The Spread of Salmonella gallinarum 9R Vaccine Strain under Field Conditions

Autor: Feberwee, A., Hartman, E. G., de Wit, J. J., de Vries, T. S.
Zdroj: Avian Diseases, 2001 Oct 01. 45(4), 1024-1029.
Databáze: JSTOR Journals