Methods The positive rate of granulocyte associated antibody(Igs) was determined with flowcytometry in 345 patients with leukocytopenia and 60 controls.

• 方法:采用流式细胞术(FCM)测定了345例白细胞减少症患者及60名正常人粒细胞相关免疫球蛋白(Ig)。