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Dihydroartemisinin inhibits SW 948 cell viability in concentration based manner. (A) SW 948cells were incubated for 24 and 48 h with various concentrations of dihydroartemisinin and then analyzed by MTT assay. For each concentration the absorbance was measured in triplicates. (B) Morphological examination of SW 948 cells after treatment with dihydroartemisinin for 48 h showed apoptotic features. Magnification ×220.
