A Second Flock History after Immunization Against Newcastle Disease and Infectious Bronchitis and Observations on Chronic Respiratory Disease
| Autor: | Markham, F.S., Patton, W.H., Hammar, A.H., Bottorff, C.A., Gingher, P.E., Perry, E.D., Tesar, W.C. |
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| Zdroj: | In Poultry Science 1 January 1957 36(1):150-159 |
| Databáze: | ScienceDirect |
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