Pooled univariate analysis of PFS revealed a hazard ratio (HR) of 0.75 in favor of combination gemcitabine plus platinum therapy (P = 0.0030).是什么意思_Pooled univariate analysis of PFS revealed a hazard ratio (HR) of 0.75 in favor of combination gemcitabine plus platinum therapy (P = 0.0030).在线翻译_英语_读音_用法_例句