In-vitro Cytotoxic Activity of Indianthus virgatus (Roxb.)Suksathan and Borchs. On A549, A431, CaCo2, U87 and L929 Cell Lines, N, Sangeetha D., and Rajamani S , Pharmacognosy Journal, August 2018, Volume 10, Issue 6, p.1216-1220, (2018)