Methods VEGF levels in the serum of 49 AMLcases and 17 CML cases , and in cultural supernatants of bone marrow cells of 20 CML cases were assayed by enzyme linked -immunosorbent assay(ELISA).

• 方法 采用酶联免疫吸附法 (ELISA)对 49例AML和 17例CML患者血清及 2 0例CML患者骨髓细胞VEGF浓度进行检测。