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目的:了解再生障碍性贫血(再障)患者血清粒细胞巨噬细胞集落刺激因子(granulocyte-macrophage colony-stimulatin,factor,GM-CSF)水平及粒-巨噬细胞系造血祖细胞(colony-formingunits of granulocyte-macrophage,CFU-GM)对GM-CSF的增殖反应特性。方法:用^125I放射免疫分析法测定15例再障碍患者