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Viability of cancer cells line after treatment of H. scoparia extracts and parthenolide which is used as a control for 48 h by MTT assay. The viability of untreated cells was exposed to vehicle only which was taken as 100%. Data are expressed as mean ± SD. Each value is the average of three analyses ± standard deviation. Hex: n-Hexane, Chl: Chloroform, Met: Methanol, Parth: Parthenolide
