Yang, Z.-F., Hu, P., Zhong, S., Chen, Y., Li, L., Li, X.-Z., … Wang, Y.-T. (2015). Extraction and Separation of Polysaccharides from Radix isatidis and their Effects Towards Hemagglutinin Protein of Influenza Virus. Asian Journal of Chemistry, 27(5), 1615–1620. https://doi.org/10.14233/ajchem.2015.17394