Methods A randomized,crossover assay was used in sixty patients who received chemotherapy to compare the efficacy and toxicity of granisetron and ondansetren.

• 方法对60例接受化疗的肿瘤患者,采用随机自身对照的方法,比较盐酸格拉司琼和恩丹西酮的疗效和毒性。