Methods: MTT assay was used to analyze the effect of sodium arsenite and HCPT Alone or in combination on the growth of BGC-823 and SGC-7901 cells.

• 方法：采用MTT法检测亚砷酸钠、羟基喜树碱单用或合用对BGC-823、SGC-7901细胞的抑制作用，计算合用指数。