E. A. Troian, “Screening for antiviral activity of two purified saponin fractions of Quillaja spp. against Yellow Fever Virus and Chikungunya Virus ”, Int J Innov Educ Res, vol. 8, no. 9, pp. 205–214, Sep. 2020, doi: 10.31686/ijier.vol8.iss9.2615.