Immunity to neonatal colibacillosis: field studies.

Autor: Cardella MA, Huhn RG, Wilson MR
Jazyk: angličtina
Zdroj: Journal of the American Veterinary Medical Association [J Am Vet Med Assoc] 1974 Feb 01; Vol. 164 (3), pp. 299-303.
Databáze: MEDLINE