M. K. Sajitha and J. E. Thoppil, “Phytochemical evaluation and in vitro antioxidant studies of selected species of Gomphostemma Wall. ex Benth. from Western Ghats”, J. Drug Delivery Ther., vol. 8, no. 6-s, pp. 32–37, Dec. 2018, doi: 10.22270/jddt.v8i6-s.2074.