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Astragalus polysaccharides enhance the humoral and cellular immune responses of hepatitis B surface antigen vaccination through inhibiting the expression of transforming growth factor β and the frequency of regulatory T cells.
Du X, Chen X, Zhao B, Lv Y, Zhang H, Liu H, Chen Z, Chen Y, Zeng X. Du X, et al. Among authors: zeng x. FEMS Immunol Med Microbiol. 2011 Nov;63(2):228-35. doi: 10.1111/j.1574-695X.2011.00845.x. FEMS Immunol Med Microbiol. 2011. PMID: 22077226 Free article.
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