X P, X M, L L, J R, H L, X L, S Y, W Z, W F.  2016.  Structural characterization and antioxidant activity in vitro of polysaccharides from angelica and astragalus.. Carbohydrate polymers. 137:154-164.

X P, J R, X M, L L, S Y, X L, H L.  2015.  Polyphylla saponin I has antiviral activity against influenza A virus.. International journal of clinical and experimental medicine. 8(10):18963-71.