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p27 expression of different modes of administration detected by ELISA. BA: DF-1 cells handled with polysaccharides before virus adsorption; Ad: DF-1 cells handled with polysaccharides at the virus adsorption phase; AA: DF-1 cells handled with polysaccharides after virus adsorption. Values represent mean + standard deviation (n=3). Statistical significance p < 0.05, compared with each other.
