Kumar, G.K., Fayad, A.M. and Nair, A.J. 2018. Ophiorrhiza mungos var. angustifolia – Estimation of camptothecin and pharmacological screening. Plant Science Today. 5, 3 (Jul. 2018), 113–120. DOI:https://doi.org/10.14719/pst.2018.5.3.395.