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Abdullahi AY, Kallon S, Yu X, Zhang Y, Li G. Vaccination with Astragalus and Ginseng Polysaccharides Improves Immune Response of Chickens against H5N1 Avian Influenza Virus. BioMed Research International. 2016;2016():1–8. doi: 10.1155/2016/1510264. |