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(A) Representative Western blots for CDK6 and EGFR in SGC-7901 and GSC-803 cells. (B) Cell viability was examined by an MTT assay in SGC-7901 and GSC-803 cells. Bar graphs represent the mean ± SEM from at least three independent experiments; *P<0.05, **P<0.01, and ***P<0.001 vs. the indicated groups.
