S, ?G. E. M., A. M. A, E. H. HM, and E. F. A,  "Cytotoxic activity of phenolic constituents from Echinocloa crus-galli against four human cancer cell lines.",  Brazilian Journal  of Pharmacognosy, vol. 26, issue http://dx.doi.org/10.1016/j.bjp.2015.07.026, pp. 62-67, 2016.