No bcr/abl gene was revealed in the controls, while in the chronic myelogenous leukemia(CML) group the positive rate was 89.5%(17/19).

• 对照组bcr/abl基因表达均为阴性。 慢性粒细胞白血病 (CML)病人bcr/abl基因表达阳性率为 89.；5%25 (1 7/ 1 9)；经治疗达临床缓解者 8例；bcr/abl基因表达均值为 (2