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(A) Chemical structure of osthole. (B) HGC-27 and SGC-7901 cells were treated with the indicated concentrations of osthole for 48 h, and the cell viability was measured by MTT assay. (C) HGC-27 and SGC-7901 cells were treated with or without osthole for 48 h and the cell morphology was determined under light microscopy (magnification, ×400). **P<0.01 vs. control.
