NAGINA, HIRDESH, MAMTA PATEL, D.K. JAIN, and R.C. SAXENA. 2010. “Isolation and Chemical Investigation of Bioactive Saponin from Tridex Procambens for Antiasthmatic Activity”. Asian Journal of Chemistry 19 (4):3292-94. https://asianpubs.org/index.php/ajchem/article/view/19_4_128.