Vaccination Against Newcastle Disease and Infectious Bronchitis: 1. Preliminary Studies in Mass Vaccination with Live Virus Dust Vaccines
Autor: | Markham, F.S., Hammar, A.H., Gingher, P., Cox, H.R., Storie, June |
---|---|
Zdroj: | In Poultry Science 1 March 1955 34(2):442-448 |
Databáze: | ScienceDirect |
Externí odkaz: |