目的观察艾迪联合小剂量阿糖胞苷治疗老年ANLL的疗效，与单独应用小剂量阿糖胞苷作对照，以探讨最有效的冶疗方法。方法艾迪50ml，日一次......

Language is learned to communicate, but how to use it appropriately is far more important. Since language and culture ha......