Objective To evaluate the expressions of multidrug resistance associated protein (MRP 1) and vascular endothelial growth factor (VEGF) in acute leukemia and their clinical significance.

• 目的探讨儿童急性白血病患者多药耐药相关蛋白1(MRP1)与血管内皮生长因子(VEGF)的表达及其临床意义。