Methods The immune markers on bone marrow cells from 56 cases of elderly with acute leukemia were evaluated by APAAP immunoenzymatic method using monoclonal antibodies.

• 方法采用碱性磷酸酶-抗碱性磷酸酶(APAAP)免疫酶法，选用一组单克隆抗体分析56例老年急性白血病患者骨髓细胞免疫标记。