Methods: The gene rearrangement in blood and bone marrow of 12 children with AML was detected by Southern blot hybridization using LE11. 8, MYO and M13 probes.

• 方法：用LE11.；8、MYO和M13探针，经Southern杂交法检测12例儿童急性粒细胞白血病患者的外周血或骨髓细胞的基因重排。