Method:Using RT PCR technique,the change of bcr/abl genes in chronic myelogenous leukemia (CML) and polycythemia vera (PV) were investigated.

• 方法：采用逆转录多聚酶链反应（RT－PCR）技术，研究了慢性粒细胞白血病（CML）、真性红细胞增多症（PV）bcr/abl基因的变化。